Some argue that carbohydrates are the main driver of modern metabolic disease. Others believe that dietary fat, especially saturated fat, is the greatest threat to cardiovascular health. However, a major new study published in the Journal of the American College of Cardiology offers perhaps the most important conclusion yet:

👉 it is not only the amount of carbohydrates or fat that matters, but the quality of the foods people choose.

A Study Following Nearly 200,000 People

Researchers from Harvard T.H. Chan School of Public Health analyzed data from nearly 200,000 adults followed for more than 30 years.

The study included participants from three major U.S. cohort studies:

• the Nurses’ Health Study,
• Nurses’ Health Study II,
• and the Health Professionals Follow-Up Study.

Over more than 5 million person-years of follow-up, researchers documented over 20,000 cases of coronary heart disease. What makes this study particularly important is that researchers did not simply examine: how much fat or carbohydrates people consumed, but also the quality and source of those foods.

Not All “Low Carb” and “Low Fat” Diets Are the Same

This may be the single most important message of the study. A person can follow a:

• “low-carb” diet based on:
  • vegetables,
  • nuts,
  • quality protein sources,
  • olive oil
    or
• “low-carb” diet based on:
  • processed meats,
  • butter,
  • ultra-processed foods,
  • and very little fiber.

On paper, both are “low carbohydrate” diets. But metabolically, they are not the same. The same principle applies to low-fat diets.

There is a major difference between:

• a diet rich in whole grains, legumes, fruits, and vegetables
  or
• a diet filled with refined grains, sugar, and ultra-processed foods.

What Did the Results Show?

The findings were remarkably clear: healthy versions of both low-carbohydrate and low-fat diets were associated with a lower risk of coronary heart disease. Especially when they emphasized:

• plant-based foods,
• whole grains,
• unsaturated fats,
• and minimally processed foods.

On the other hand: unhealthy versions of both dietary patterns increased cardiovascular risk. This was particularly true for eating patterns high in:

• refined carbohydrates,
• ultra-processed foods,
• and greater amounts of animal-based saturated fats.

Researchers Also Examined Metabolic Changes

The study did not only look at disease incidence. Researchers also evaluated:

• triglycerides,
• HDL (“good”) cholesterol,
• inflammatory markers,
• and metabolomic profiles.

Healthier dietary patterns were associated with:

• lower triglyceride levels,
• higher HDL cholesterol,
• reduced inflammation,
• and more favorable metabolic biomarkers.

In other words: the body did not respond simply to the quantity of macronutrients, but much more strongly to the quality of the foods consumed.

Why Is This So Important Today?

Because modern nutrition has increasingly become:

• ideological,
• extreme,
• and oversimplified.

People often divide themselves into:

• “low-carb,”
• “keto,”
• “vegan,”
• “low-fat,”
• or “carnivore” camps.

And in the process, many forget the most important question:

👉 what is the actual quality of the food being eaten?

The body does not respond only to:

• the percentage of carbohydrates,
• or the percentage of fat.

It responds to:

• food quality,
• degree of processing,
• fiber content,
• micronutrient density,
• inflammatory potential,
• and the overall metabolic context.

What Does This Mean in Practice?

For most people: healthier nutrition does not begin with extremes, but with:

• eating more vegetables,
• choosing better protein sources,
• prioritizing whole foods,
• reducing ultra-processed foods,
• and improving fat quality.

In other words: what we eat matters far more than the dietary label we follow.

Source: Wu Z. et al. Associations of low-carbohydrate and low-fat diets with coronary heart disease risk and metabolomic profiles. Journal of the American College of Cardiology (JACC), 2026.

💚 THE HEALTH FORMULA – prevention begins with understanding

This study clearly demonstrates that: health depends not only on the quantity of food, but on its quality and metabolic effects on the body.

The body does not simply “count”:

• grams of carbohydrates,
• or the percentage of fat.

It responds to:

• nutrient density,
• inflammation,
• hormonal responses,
• energy stability,
• and regenerative capacity.

That is why the real goal should not be: “eliminate carbohydrates” or “fear fat,”

but rather:

👉 build a sustainable dietary pattern that provides stable energy, metabolic balance, and long-term resilience.

First, we need to understand the “why,” then choose the “what.”

Is it more important how long we are active — or how intensely?

A large new study published in the prestigious European Heart Journal provides some fascinating answers.

Researchers analyzed data from the UK Biobank, one of the world’s largest health databases.

The study included:

• more than 96,000 participants with device-measured activity data using wrist accelerometers,
• and over 375,000 participants with self-reported physical activity data.

The researchers examined the risk of:

• cardiovascular disease,
• atrial fibrillation,
• type 2 diabetes,
• fatty liver disease (MASLD),
• chronic kidney disease,
• chronic respiratory disease,
• inflammatory conditions,
• dementia,
• and all-cause mortality.

The findings revealed something very important: even a small proportion of vigorous physical activity was associated with a significantly lower risk of chronic diseases.

What Does “Vigorous Physical Activity” Actually Mean?

When people hear “vigorous activity,” they often imagine:

• professional sports,
• exhausting workouts,
• or hours spent in the gym.

But that is not necessarily what this study refers to.

For most people, higher-intensity activity may simply include:

• brisk uphill walking,
• climbing stairs,
• faster cycling,
• short intervals of faster walking,
• dancing,
• or any movement that noticeably increases breathing and heart rate.

In other words: the body needs a certain level of stimulus in order to adapt. Just 4% More Intense Activity — Significant Benefits. One of the most striking findings of the study was that participants who accumulated more than 4% vigorous physical activity within their total activity volume had: a 29–61% lower risk of various chronic diseases.

Intensity appeared to play a particularly important role in:

• cardiovascular disease,
• heart rhythm disorders,
• dementia,
• respiratory diseases,
• and inflammatory conditions.

For type 2 diabetes and fatty liver disease, both:

• total activity volume,
• and intensity were important.

This means there is a meaningful difference between:

• walking slowly for an hour,
  or
• including at least short periods of more challenging movement.

But There Is One Very Important Thing!

This study does NOT mean: “harder is always better.”

That would be an oversimplification — and potentially harmful.

Because:

• not all organisms are the same,
• not everyone has the same recovery capacity,
• and not everyone has the same metabolic reserve.

What feels like “moderate activity” for an athlete may represent substantial physiological stress for another person.

Especially in individuals dealing with:

• chronic fatigue,
• hormonal imbalance,
• low energy availability,
• chronic stress,
• poor recovery,
• or general physiological exhaustion.

When Exercise Becomes Another Stressor

Modern culture often glorifies:

• constant productivity,
• intense workouts,
• and pushing beyond limits.

However, a body that lacks sufficient energy and regenerative capacity may respond to excessive exercise with:

• worsening fatigue,
• hormonal disruption,
• immune dysfunction,
• poor recovery,
• and persistent symptoms.

This is why physical activity should always be: individualized, progressive, and aligned with the body’s current adaptive capacity.

What Does This Study Really Teach Us?

Not that everyone must train intensely. Rather: the body benefits from a stimulus that encourages adaptation.

That is the key principle:

• not too little,
• but not too much either.

The goal is not exhaustion, but the development of:

• metabolic flexibility,
• resilience, .
• better conditioning,
• and improved recovery capacity

Source: Wei J. i saradnici. Volume vs intensity of physical activity and risk of cardiovascular and non-cardiovascular chronic diseases. European Heart Journal. 2026. DOI: 10.1093/eurheartj/ehag168

🌿 THE HEALTH FORMULA – prevention begins with understanding

Physical activity is not a punishment for the body, nor simply a tool for burning calories.

It is a biological signal that encourages the organism to:

• adapt,
• strengthen,
• regenerate,
• and become more resilient.

But for the body to respond properly to that signal, it also needs:

• adequate energy,
• sufficient protein and micronutrients,
• quality sleep,
• and proper recovery capacity.

That is why the real goal is not: “exercise more at all costs,” but: finding the optimal amount and intensity of movement that the body can tolerate, adapt to, and ultimately transform into health.

📌 Because health is not merely the absence of disease — it is the body’s ability to adapt, regenerate, and endure.

A new study suggests that certain substances from the PFAS group (per- and polyfluoroalkyl substances) may directly influence the biological aging process.

The study included 326 participants aged 50 and older in US, analyzing serum PFAS levels and their association with epigenetic aging markers.

⚠ What Are PFAS and Why Are They a Problem?

PFAS are chemicals commonly used in:

• food packaging
• non-stick cookware
• water-resistant materials (clothing, footwear, upholstery)
• industrial processes

👉 The problem is that they are:

• extremely persistent (known as “forever chemicals”)
• capable of accumulating in the human body
• difficult to eliminate

🧬 How Do They Affect Aging?

The study analyzed two compounds:

• Perfluorononanoic acid (PFNA)
• Perfluorosulfonic acid (PFSA)

and their impact on epigenetic aging — the rate at which our cells biologically age.

👉 The result:
these substances are associated with accelerated epigenetic aging, particularly through advanced biomarkers such as GrimAge.

👨‍⚕Who Is Most at Risk?

The findings showed:

• a stronger effect in men
• a more pronounced impact in individuals aged 50–64

👉 This suggests that people entering a “critical aging window” may be especially vulnerable.

🔬 Why Does This Matter?

Traditionally, aging has been associated with:

• genetics
• nutrition
• stress

👉 However, it is now becoming clear that the environment also directly affects the rate of aging, even at the level of DNA regulation.

In other words:
it is not only about how we live, but also what we are exposed to.

What Can We Do? (A Practical Approach)

While we cannot completely avoid PFAS, we can reduce exposure by:

• avoiding plastic for hot food and beverages
• using high-quality cookware (without damaged non-stick coatings)
• choosing minimally processed foods
• filtering water whenever possible

The Deeper Message of This Study

This research is reshaping our understanding of health:

👉 Longevity is not only the result of good habits
👉 but also of reducing “silent” environmental burdens

Source: Ya-Qian Xu, Chongyu Ding, Hui Zhang, Yulu Gong, Darong Hao, Xuetong Zhao, Kai Li, Xiangwei Li. Emerging PFAS contaminants PFNA and PFSA amplify epigenetic aging: sex- and age-stratified risks in an aging population. Frontiers in Aging, 2026; 6 DOI: 10.3389/fragi.2025.1722675

🌿 THE HEALTH FORMULA – prevention begins with understanding

Within the approach we apply through The HEALTH FORMULA, the focus is not only on symptoms, but on root causes.

This study confirms what we often observe in practice:

👉 The body does not age only because of time
👉 but because of cumulative burden — metabolic, inflammatory, and toxic

Therefore, the real goal is not just to “live longer,” but to:

✔ reduce exposure to harmful factors
✔ support the body’s natural regenerative mechanisms
✔ create conditions in which the body can function optimally (which is why the first step in The HEALTH FORMULA protocol is detoxification)

📌 Because health is not merely the absence of disease — it is the body’s ability to adapt, regenerate, and endure.

That’s exactly what a new randomized controlled trial from Northwestern Medicine, published in the American Heart Association journal Arteriosclerosis, Thrombosis, and Vascular Biology, set out to test. The study included 39 overweight/obese adults aged 36–75, and the intervention lasted 7.5 weeks. The concept was simple: extend overnight fasting by about 3 hours and align it with the person’s habitual sleep time—meaning the last meal at least 3 hours before bedtime.

How Was the Study Conducted?

Participants were randomized into two groups:

• Intervention (“sleep-aligned extended overnight fasting”): 13–16 hours of overnight fasting, with the rule “last meal ≥3 hours before sleep.”
• Control group: maintained their usual routine, with fasting typically ~11–13 hours.

An important detail: both groups also followed “light hygiene” (dimming lights for ~3 hours before bedtime), helping separate the effects of sleep/circadian rhythm from the effects of timing food intake.

Key Findings (What Improved?)

Compared with the control group, participants in the extended overnight fasting group showed:

• Better nighttime “dipping” in diastolic blood pressure (the normal, healthy drop in BP during sleep—generally a favorable cardiovascular sign),
• Lower nighttime heart rate and more favorable autonomic balance (HRV), suggesting improved nighttime “reset” and recovery,
• A better response to a morning oral glucose tolerance test (a smaller glucose rise and a more effective early insulin response), consistent with more stable morning glucose regulation.

A notable nuance: the primary insulin sensitivity measure (Matsuda Index) did not change significantly. That’s an important message—nothing here is “magic,” and not every marker must improve over a short timeframe. Still, nighttime hemodynamics and morning glucose handling did respond in a meaningful way.

Why Does This Make Sense?

Sleep isn’t just a “pause”—it’s a phase when the autonomic nervous system and metabolism shift into recovery mode. If we eat late:

• digestion remains “switched on” during a period when the body naturally wants to lower heart rate and blood pressure,
• nighttime cortisol and glucose rhythms are more easily disrupted,
• and the morning can start with a “blunted” metabolic profile (less stable glucose and energy).

In that sense, “three hours without food before sleep” is a practical way to align eating with sleep biology—not with a rigid clock time, but with your rhythm.

Who Might Benefit Most From This Approach?

This model seems especially reasonable for people who have:

• elevated blood pressure,
• insulin resistance / prediabetes,
• central (abdominal) obesity,
• late dinners and late-night snacking,
• poor sleep or a “restless” nighttime heart rate pattern.

Of course, this is not a replacement for medical therapy—it’s a smart lifestyle lever that can complement care.

How to Apply This in Real Life (Without Drama)

Goal: last meal ≥3 hours before sleep—simple and sustainable.

1. Count backwards from your bedtime
   If you sleep at 11:30 pm → your last meal should ideally be by ~8:30 pm.
2. Make dinner “sleep-friendly”
   Protein + vegetables + (if needed) a smaller portion of slower-digesting carbohydrates depending on training and goals.
3. If you “must have something,” choose wisely
   Warm water or unsweetened tea; ideally avoid “extra bites.” If needed, plan a small protein-based option earlier in the evening—but still before the “3-hour rule.”
4. Dim lights and reduce screens before bed
   Food timing and light exposure work as a duet. If you eat early but stay under bright screens until midnight, you miss the rhythm advantage.
5. Give it 10–14 days
   Don’t judge success tomorrow. Track sleep quality, morning energy, appetite, resting heart rate, and late-night cravings.

When to Be Cautious?

If someone uses insulin or sulfonylureas, has a history of eating disorders, is pregnant, or has specific complex medical conditions (e.g., advanced chronic disease), this should not be started independently—it should be implemented with medical guidance.

Source: Daniela Grimaldi, Kathryn J. Reid, Sabra M. Abbott, Kristen L. Knutson, Phyllis C. Zee. Sleep-Aligned Extended Overnight Fasting Improves Nighttime and Daytime Cardiometabolic Function. Arteriosclerosis, Thrombosis, and Vascular Biology, 2026; DOI: 10.1161/ATVBAHA.125.323355

💚 THE HEALTH FORMULA – prevention begins with understanding

In The HEALTH FORMULA we often see that the biggest results don’t come from extreme diets—but from rhythm.
When we move the last meal earlier and align it with sleep, we’re sending the body a clear message: “Now it’s time to recover.”
And when recovery becomes the rule (sleep + hydration + food quality + movement + stress under control), cardiometabolic physiology tends to run quieter, steadier, and smarter—with less long-term risk.

The key takeaway isn’t fear—it’s direction: even with better treatments, the major drivers of CVD are trending upward, especially high blood pressure, diabetes, and obesity.

📈 What’s rising: the “big three” (blood pressure–blood sugar–body weight)

According to AHA projections, by 2050 (assuming trends persist), among U.S. women:

• nearly 60% may have high blood pressure,
• more than 25% may have diabetes,
• more than 60% may have obesity.)

These factors rarely travel alone. Together they accelerate vascular damage, strain the heart, and increase the risk of stroke and heart failure—often pushing risk into younger ages.American Heart Association)

👧 Why it matters that the trend shows up in girls too

The statement also highlights a concerning early-life shift: by 2050, nearly 32% of girls aged 2–19 may have obesity.

When cardiometabolic risk starts early, the body spends more years under metabolic stress—raising the long-term odds of hypertension, diabetes, and downstream cardiovascular events later in life.

💤 The lifestyle paradox: some behaviors improve, sleep worsens

A striking theme is the “paradox” of population behaviors: some trends may improve, yet sleep is projected to worsen, which is highly relevant for women’s cardiometabolic health.American Heart Association)

Sleep is not a luxury—it shapes:

• appetite regulation and weight,
• insulin sensitivity and glucose control,
• blood pressure and inflammation,
• decision-making and consistency with healthy habits.

🧬 Life stages are prevention windows (don’t wait for symptoms)!

The statement emphasizes that women’s cardiovascular risk evolves across life stages, and prevention is most powerful before symptoms appear—especially across early adulthood, pregnancy-related windows (with sex-specific risks), and the perimenopause/menopause transition when body composition, sleep, and metabolic factors often shift.

In short: prevention for women is not “one tip”—it’s lifelong timing + smart habits.

✅What to do now: Life’s Essential 8 in real-world language

AHA’s Life’s Essential 8 offers a practical prevention checklist: diet, physical activity, avoiding tobacco/nicotine, healthy sleep, weight management, cholesterol, blood sugar, and blood pressure.

Make it doable:

• 🥗 Diet: fewer ultra-processed foods, more whole foods as the default.
• 🚶 Movement: consistency beats intensity spikes.
• 🚭 Nicotine: every step toward zero matters.
• 💤 Sleep: most adults need 7–9 hours; rhythm often matters as much as the number.
• ⚖ Weight: focus on sustainable change and waistline signals.
• 🧪 Numbers (BP/glucose/lipids): check periodically—risk grows quietly.

Source: Karen E. Joynt Maddox, Harmony R. Reynolds, Demilade Adedinsewo, Cheryl Bushnell, Holli A. DeVon, Holly C. Gooding, Virginia J. Howard, Rina Mauricio, Eliza C. Miller, Garima Sharma, R.J. Waken. Forecasting the Burden of Cardiovascular Disease and Stroke in Women in the United States Through 2050: A Scientific Statement From the American Heart Association. Circulation, 2026; DOI: 10.1161/CIR.0000000000001406

💚 THE HEALTH FORMULA – prevention and healing begins with understanding

In The HEALTH FORMULA, prevention isn’t an annual reset—it’s a repeatable routine: sleep, plate, movement, stress management, and occasional measurement of the key numbers. These projections are not destiny; they show what happens if nothing changes.

The good news: the biggest levers of cardiovascular risk are still—largely—within daily habits.

Most people try lifestyle changes first—especially diet—but many remain dissatisfied with results.
One reason: older guidance often stayed vague (“increase fiber,” “drink more fluids”) and left out other dietary strategies where evidence exists, or included recommendations without robust support.

📚 What’s new: The 2025 British Dietetic Association (BDA) dietary guidelines

These are presented as the first comprehensive, evidence-based dietary guidelines specifically for managing chronic constipation in adults. They were built using four systematic reviews/meta-analyses, then translated into recommendations using GRADE and a Delphi consensus process.

Key headline numbers from the paper: 75 randomized controlled trials (RCTs) were included across the reviews, 59 recommendation statements were generated and accepted.
Recommendations cover supplements, foods, and drinks—but no “whole-diet” approach (e.g., “high-fiber diet” as a general concept) received a recommendation due to lack of RCT evidence.

🥄 What the guidelines suggest is most worth trying (in real life)?

1) Fiber—but which fiber matters

The big shift is that the guideline doesn’t treat “fiber” as one thing.

• Different fibers behave differently, and the strongest, most consistent signal is for psyllium.
• The summary highlights psyllium as a recommended option to improve specific constipation outcomes.

Practical guidance from the recommendations:

• Doses above 10 g/day are considered “more optimal” in studies (better response).
• Fiber should be tried for at least 4 weeks before evaluating its effect.
• It should be introduced gradually (due to tolerance).
• And, where clinically appropriate, with additional fluid intake (water).

🌀 Important: Fiber may increase gas/flatulence, especially certain types (e.g., inulin-type fructans), so the pace of “introduction” is important.

2) Probiotics—may help, but it’s strain-specific and not universal

Guidelines suggest that probiotics overall may increase the likelihood of clinical improvement, but it is often unclear which exact strains are responsible for the effect.
For Bifidobacterium lactis, there is some signal that it may increase stool frequency (with a moderate level of evidence for this outcome), but in general there is no single probiotic solution that works for everyone.

Practical guidance from the recommendations:

• If a person wants to try a probiotic, one product of choice can be tested for at least 4 weeks, then its benefit should be evaluated.

3) Magnesium oxide—surprisingly “guideline-ready”

For magnesium oxide, the guidelines provide fairly clear messages:

• It may increase stool frequency and soften stool.
• It may improve global symptoms and reduce straining and the sensation of incomplete evacuation.

Practical guidance from the recommendations:

• As a general framework, 0.5–1.5 g/day for at least 4 weeks is suggested, with gradual dose escalation while monitoring tolerance.

⚠ Clinical note: This should always be individualized, especially in people with kidney problems, specific therapies, or a sensitive GI tract.

4) Senna — a surprise: “no clear effect” in these analyses

Although senna is popular, these guidelines report that in meta-analyses it did not show a clear impact on “clinical benefit” or stool frequency compared to placebo (with low certainty of evidence).

🍞 Food and beverages: specific items included in the guidelines

Kiwi

There is a practical, food-based recommendation:

• 2–3 kiwis per day for at least 4 weeks as an option for constipation.
  Compared to psyllium, kiwi may slightly increase stool frequency, but it is not a “miracle solution” and effects are generally modest.

Prunes

Compared to psyllium, there is no clear advantage for stool consistency in available RCTs within these analyses.

This does not mean they “don’t work for anyone,” but rather that—based on strict evidence from this set of studies—they are not superior to an already proven effective option.

Rye bread

Rye bread is interesting because:

• It may increase stool frequency compared to white bread,
  But it may also worsen global symptoms in some individuals (e.g., gas, bloating, discomfort),
  And the “dose” used in studies was often quite high (e.g., 6–8 slices per day), which is not always practical in real life.

Mineral-rich water

Guidelines note that water with a high mineral content may help with “treatment response” over a certain period, but effects on other symptoms are not always clear.
Practical framework: 0.5–1.5 L/day for 2–6 weeks.
They also emphasize that there are no universal thresholds for what counts as “enough minerals,” and water composition varies.

📝 How to translate this into FORMULA ZDRAVLJA practice (without overload)

📌 First: safety check (“red flags”)

If there is blood in the stool, unexplained weight loss, significant pain, anemia, nighttime symptoms, or newly developed constipation that changes rapidly—this is a signal for medical evaluation and diagnostics, not just a “dietary experiment.”

🔁 Then: 4 weeks, one change at a time

The most common mistake is changing 5 things at once, so we don’t know what helped (or worsened things).

Example of a “4-week test” (from guidelines):

• Psyllium or kiwi as first-line (depending on tolerance), with gradual introduction and monitoring of gas/bloating.
• If choosing a probiotic: test for 4 weeks, then evaluate.
• If clinically appropriate: magnesium oxide as an option, with tolerance monitoring.

📒 Measure instead of guessing

A simple diary for 10 days before and 10 days during the change:

• stool frequency,
• straining / sensation of incomplete evacuation,
• bloating / pain.

Source: Eirini Dimidi, Alice van der Schoot, Kevin Barrett, Adam D. Farmer, Miranda C. Lomer, S. Mark Scott, Kevin Whelan. British Dietetic Association Guidelines for the Dietary Management of Chronic Constipation in Adults. Neurogastroenterology, 2025; DOI: 10.1111/nmo.70173

💚 THE HEALTH FORMULA – prevention and healing begins with understanding

In The HEALTH FORMULA constipation is not “just constipation.” It is a signal that bowel rhythm, microbiome, hydration, nervous regulation, and food choices are not in optimal balance.

That’s why we use what is proven to be helpful (e.g., psyllium, kiwi, magnesium oxide when needed, selective probiotics, mineral water), but apply it intelligently and in a personalized way—one change at a time, long enough to evaluate the effect, with tolerance monitoring.

The goal is not a “perfect diet,” but a routine that works for your body—because in health, consistency wins over extremes.

A recent study in zebrafish puts the spotlight on sorbitol (a sugar alcohol commonly used as a sweetener) and highlights something we sometimes forget: whether a compound stays “neutral” can depend a lot on what’s happening in the gut microbiome.

🦠 Why the microbiome matters as a metabolic “gatekeeper”

Your gut bacteria aren’t passive passengers. They constantly interact with what you eat—and with what your body produces—often before those substances ever reach the liver. That’s the core idea here: under normal conditions, certain gut bacteria can break down sorbitol in the intestine, reducing how much of it travels onward.

🐟 What the researchers did?

In this study, researchers worked with adult zebrafish and created a condition where the gut microbiome was depleted (using an antimicrobial/antibiotic cocktail). Then they looked at what happened to metabolism and liver health—even when the fish were on a standard diet. They combined metabolomics and isotope tracing (a way to track where nutrients go in the body) to map the pathway in detail.

🧩 What they found?

1) The body can produce sorbitol from glucose (in the intestine)

The study found that dietary glucose can be converted into sorbitol within intestinal cells. Therefore, sorbitol is not only obtained exogenously—it can also be produced endogenously under certain conditions.

2) Under normal conditions, bacteria metabolize sorbitol

In control animals, the resident microbiota efficiently degraded sorbitol in the intestine, preventing its accumulation and associated effects.

3) In the absence of the microbiome, sorbitol reaches the liver

When beneficial bacteria were depleted, sorbitol was transported to the liver. There, it was further metabolized into intermediates associated with fructose metabolism (the study specifically traces the pathway via fructose-1-phosphate), which was linked to a metabolic shift toward increased lipid synthesis and storage in the liver.

4) The liver begins to accumulate more fat (steatosis)

Under these conditions, the animals developed hepatic steatosis (fatty liver), and notably, this occurred within a relatively short time frame in the experimental model.

5) Inhibiting sorbitol production prevents steatosis

When the formation of sorbitol in the intestine was inhibited, it was sufficient to prevent the development of steatosis in microbiome-depleted conditions.

6) Restoring sorbitol-degrading bacteria protects the liver

Recolonization of the gut with sorbitol-degrading bacteria (Aeromonas strains) mitigated or prevented steatosis, further supporting the protective role of the microbiome.

7) High sorbitol intake induces steatosis even without antibiotics

An additional key finding was that administering high concentrations of sorbitol mimicked the effects of microbiome depletion and led to steatosis. This suggests that, under conditions of excessive sorbitol load, the system can become overwhelmed.

⚖ Important limitations (science-fair, not fear-based)

• This is a zebrafish study. It’s excellent for exploring mechanisms, but it’s not the same as a human clinical trial.
• The model involves strong microbiome disruption (not a typical everyday scenario).
• The sorbitol effect was shown with high concentrations, so it would be unfair to conclude that “any sugar-free gum causes fatty liver.”

Source: Madelyn M. Jackstadt, Ronald Fowle-Grider, Mun-Gu Song, Matthew H. Ward, Madison Barr, Kevin Cho, Hector H. Palacios, Samuel Klein, Leah P. Shriver, Gary J. Patti. Intestine-derived sorbitol drives steatotic liver disease in the absence of gut bacteria. Science Signaling, 2025; 18 (910) DOI: 10.1126/scisignal.adt3549

 💚 THE HEALTH FORMULA – prevention and healing begins with understanding

In The HEALTH FORMULA the goal is never to fear a single ingredient—it’s to understand context:

• Your microbiome is a metabolic ally—support it with real food diversity, fiber, and steady routines.
• “Sugar-free” isn’t automatically a free pass—especially if sweeteners become a daily, high-volume habit.
• The liver loves consistency: fewer ultra-processed “substitutes,” more simple food, movement, and sleep.

In short: we focus on the “why”—so we can choose the “what” wisely.

That’s exactly what a study published in The Journal of Physiology (University of Birmingham) set out to test: can everyday, flavanol-rich foods reduce the short-term vascular hit of uninterrupted sitting—even in physically fit people?

🍵🍫 What are flavanols (and why do they matter here)?

Flavonoids are a broad family of plant polyphenols found in fruits, vegetables, tea, cocoa, and many other foods. Flavanols are one specific subgroup of flavonoids (often called flavan-3-olsin scientific writing) —especially linked to tea or and cocoa. The best-known flavanols are catechin or epicatechin..

In simple terms: all flavanols are flavonoids, but not all flavonoids are flavanols..

🧪 How the study was done?

The researchers recruited 40 healthy young men, split into two groups: more “fit” and less “fit.” Each participant came to the lab twice. Before a two-hour, uninterrupted sitting period, they drank either:

• a high-flavanol cocoa drink, or
• a low-flavanol cocoa drink,

and then sat for two hours without breaks. The team measured blood vessel function before and after sitting using a standard test that shows how well an artery can “open up” when blood flow increases.

✅ What they found (and what “weakened blood vessel function” actually means)

When studies say “blood vessel function declined,” it does not mean something dramatic happened (like a heart attack) or that participants necessarily felt symptoms. It usually means something more subtle—but still important:

🔎 1) After sitting, arteries widened less than they did before

The researchers measured FMD (flow-mediated dilation)—a common ultrasound method that tests how much an artery expands when blood flow rises.
If FMD is lower after sitting, it means the artery is temporarily less able to relax and widen—in other words, less responsive.

🧠 2) It suggests the endothelium is under “sitting stress”

The endothelium is the inner lining of blood vessels and plays a key role in regulating circulation (including signals like nitric oxide that help vessels dilate). Prolonged sitting reduces and alters blood flow patterns—especially in the legs—so the endothelium receives weaker “healthy flow signals,” and its ability to trigger dilation can dip for a while.

🪑 3) Fitness alone didn’t fully protect against the sitting effect (without flavanols)

When participants drank the low-flavanol cocoa, FMD dropped after two hours of sitting—in both groups, including those who were very fit. In plain language: being fit is great for health, but it doesn’t make you immune to the short-term vascular effects of uninterrupted sitting.

🍫 4) With high-flavanol cocoa, that decline didn’t happen

When participants had the high-flavanol cocoa before sitting, the post-sitting drop in FMD was prevented—blood vessels maintained their ability to widen similarly to baseline. That’s the practical headline: flavanols may act like a simple nutritional “buffer” against sitting-related vascular sluggishness.

👉 Everyday analogy:
after prolonged sitting, your vessels can act like a rubber band that becomes a bit stiff —nothing breaks, but it doesn’t stretch as well. In this study, flavanols helped keep that “rubber band” more flexible.

🚫 What this does not mean?

• This was an acute experiment (two hours), so it shows short-term physiology—not long-term outcomes.
• Participants were healthy young men, so we shouldn’t automatically generalize to women, older adults, or people with chronic disease.
• Most importantly: flavanols don’t replace movement.

🛠How to apply this in real life (simple and doable)

If you know you’ll be sitting for a long stretch (travel, meetings, study blocks), try a mini-routine:

1) Stand up briefly ⏱️
Every ~45–60 minutes: stand for 1–3 minutes, take a few steps, stretch your legs.

2) Add flavanol-rich choices 🍵🫐🍎
Easy options:

• black or green tea
• berries
• an apple
• a quality cocoa drink (ideally with less sugar)

3) Not all cocoa is the same 🍫
Many cocoa products are processed in ways that reduce flavanol content and are often loaded with sugar. So think of cocoa as a functional beverage (quality + low added sugar), not as “a sweet treat disguised as health.”

Source:  Alessio Daniele, Samuel J. E. Lucas, Catarina Rendeiro. Dietary flavanols preserve upper‐ and lower‐limb endothelial function during sitting in high‐ and low‐fit young healthy males. The Journal of Physiology, 2025; DOI: 10.1113/JP289038

💚 THE HEALTH FORMULA – prevention begins with understanding

In The HEALTH FORMULA we aim for habits that are simple, sustainable, and intelligently combined:

• Movement is the foundation (break up sitting)
• Flavanols are smart support (tea, berries, apples, quality cocoa)
• Consistency of small habits creates the biggest long-term change

We don’t chase perfection—we build routines that bring the body back into balance.

Understand the “why,” then choose the “what.”

🌿 Why is tea medically interesting at all?

Tea from Camellia sinensis (green, black, oolong, white) contains meaningful amounts of polyphenols, especially catechins. These compounds are linked to key biological effects most often described in studies: modulation of inflammation, effects on glucose regulation and lipid metabolism, and potential benefits for endothelial function and the gut microbiome.

❤️🧠 What is regular tea drinking most often associated with?

Reviews and cohort studies most commonly connect habitual tea consumption with:

• cardiovascular support (more favorable blood pressure and lipid profile),
• better metabolic control and more favorable markers in obesity,
• lower risk of type 2 diabetes and certain cancers,
• neuroprotection (slower cognitive decline in some studies),
• better preservation of muscle function in older adults,
• anti-inflammatory and antimicrobial effects.

Important: in real life, the impact depends on the dose, overall diet, sleep, stress, and the broader “context” a person lives in — which is why tea should never be viewed in isolation.

🧃⚠️ “Modern teas”: when tea stops being a healthy habit

The key message is simple: the most consistent benefits are linked to traditional, freshly brewed tea, while bottled teas and bubble tea are often metabolically unfavorable because of:

• added sugar (or intense sweeteners),
• additives and flavorings,
• preservatives,
• higher overall caloric load.

In other words: a drink labeled “tea” can sometimes resemble a sweetened beverage more than a functional daily habit.

🧪 Quality, contaminants, and interactions — how much should we worry?

The literature also raises questions about raw material quality and potential contaminants (e.g., pesticide residues, heavy metals, microplastics). For most people, typical tea intake is not considered a significant risk, but the topic becomes more relevant for those who consume very large amounts for years or choose products of uncertain origin.

In practice, the more important issue is interactions with nutrient absorption:

• Tea can reduce absorption of non-heme iron (plant-based sources), which matters for iron deficiency or vegetarian/vegan diets.
• When there are specific nutritional needs, it can be helpful to separate tea from meals and supplements.

✅ How to drink tea so it works for you (5 simple rules)

1. 🫖 Choose freshly brewed tea (loose leaf or a quality tea bag) instead of bottled options.
2. 🚫🍬 No sugar — if it’s sweet, it’s essentially dessert in a cup.
3. ⚖️ Moderate and consistent — 1–3 cups daily is generally better than occasional extremes.
4. ⏱️ Timing matters — with low ferritin/anemia: drink tea between meals, not with iron-rich meals.
5. 🏷️ Quality and origin — reputable producers are your simplest safety checkpoint.

👥 Who should be especially cautious?

• People with iron deficiency/anemia or low ferritin,
• People on a vegetarian/vegan diet with borderline iron intake,
• Pregnant individuals and those with specific nutritional demands (individual approach),
• People who drink large amounts of tea daily.

 Conclusion

Tea can be a simple habit that supports long-term health — especially when it’s freshly brewed, sugar-free, and consumed in moderation. By contrast, “tea” drinks loaded with sugar and additives often cancel out what makes tea beneficial in the first place.

Source: Mingchuan Yang, Li Zhou, Zhipeng Kan, Zhoupin Fu, Xiangchun Zhang, Chung S. Yang. Beneficial health effects and possible health concerns of tea consumption: a review. Beverage Plant Research, 2025; 5 (1): 0 DOI: 10.48130/bpr-0025-0036

💚 THE HEALTH FORMULA – prevention begins with understanding

We don’t chase a “magic drink.” We build resilience through smart choices — quality, moderation, and context (nutrition, sleep, stress, movement). Tea can be a great ally — but the best results come when it fits into the whole.

In The HEALTH FORMULA, tea is a tool—not a solution — because health is built in the full picture.

❓ What did the study actually measure?

Researchers at the University of Oxford conducted a systematic review and meta-analysis (37 studies, 9,341 adults), tracking what happens after people discontinue weight-management medications.
📌 Average treatment duration was about 39 weeks, and follow-up after stopping was about 32 weeks.

📉 How fast does weight return?

✅ On average, people regained about 0.4 kg per month after stopping treatment.
Based on these trends, the authors estimate that body weight could return to pre-treatment levels within about 1.5–2 years.

⚠️ For newer, more potent therapies (semaglutide/tirzepatide), the available data suggest weight regain could be even faster — around 0.8 kg per month — with the important note that data beyond 12 months are limited.

❤️ What about the “health benefits” — sugar, blood pressure, lipids?

During treatment, cardiometabolic markers (HbA1c, glucose, blood pressure, cholesterol, triglycerides) typically improve.
❗ However, the authors estimate that these markers also often trend back toward baseline — approximately within ~1.4 years after discontinuation.

❓ Why is the rebound faster than after “classic” lifestyle weight loss?

The meta-analysis suggests that weight regain after stopping medication was faster than after completing diet/behavioral programs — by about 0.3 kg per month on average.

🧠 A practical interpretation: with dietary change and physical activity, people often “train” maintenance skills and routines. With medication, weight loss may occur without the same maintenance training. After discontinuation (when appetite and hunger signals return), the system may lack new habits strong enough to hold the result.

📌 Important: this is not “the drugs’ fault” — it’s a reminder that obesity is often a chronic, relapsing condition, not a short-term problem with a quick fix.

✅ What does this mean for patients (and anyone considering therapy)?

1. ❗ If you’re using GLP-1 therapy, the plan should include “what happens next.” Not because the medication “doesn’t work,” but because the body has built-in rebound mechanisms.
2. ⚠️ Don’t stop therapy on your own. Discontinuation and transition planning are medical decisions and should be guided by a clinician.
3. ✅ The best outcome is “medication + system.” Medication can create a powerful window of opportunity to build habits that remain even if the dose changes or therapy ends.

🔎 Study limitations (to be fair)

📌 The authors note that relatively few studies specifically tracked newer GLP-1 drugs, and post-cessation follow-up is often short (in some analyses up to 12 months), so some estimates rely partly on modeling.
✅ Still, multiple analytical approaches pointed to similar conclusions.

Source: Sam West, Jadine Scragg, Paul Aveyard, Jason L Oke, Lia Willis, Stella J P Haffner, Heather Knight, Danni Wang, Sarah Morrow, Laura Heath, Susan A Jebb, Dimitrios A Koutoukidis. Weight regain after cessation of medication for weight management: systematic review and meta-analysis. BMJ, 2026; 392: e085304 DOI: 10.1136/bmj-2025-085304

💚 THE HEALTH FORMULA  – How to Increase the Chances Your Results Last

These are the “pillars” that most often make the difference in long-term maintenance:

🥗 Protein + fiber first (satiety, muscle preservation, steadier glycemia)
💪 Strength training 2–3× per week (muscle acts as a metabolic “shock absorber” after discontinuation)
😴🧠 Sleep and stress management (hunger and food choices are extremely sensitive to sleep loss and chronic stress)
🗓️🏠 Meal planning + environment design (what’s at home, at work, and built into your routine)
📊 Trend tracking (weight/waist, glucose, lipids, blood pressure) — to react early, not after 8–10 kg comes back

🙂 It’s “boring,” but it works — and that’s exactly why many people skip it.
🚀 Medication can be a strong “starter motor,” but in the long run, the system wins.