Browse the evidence

Exercise interventions in T2D are mediated by molecular mechanisms including exerkines (e.g., GDF15, Irisin), b-cell function enhancement, and epigenetic changes.

Exercise works by triggering specific biological signals (like exerkines) that improve how your body handles sugar and protects your pancreas.

GLP-1 receptor agonists provide neuroprotective benefits, including potential improvement in cognitive function and reduction in neurodegenerative disease progression (Alzheimer's and Parkinson's).

GLP-1 RAs are being studied for their potential to protect the brain in Alzheimer's and Parkinson's disease. They may reduce inflammation and oxidative stress in the brain. While not yet a standard treatment for these conditions, the biological plausibility is strong, and patients with these diseases should discuss the potential benefits with their neurologist.

Indiscriminate use of Semaglutide for weight loss without medical supervision poses significant health risks, including gastrointestinal distress, hypoglycemia, and potential renal or pancreatic complications.

Do not use Semaglutide for weight loss without a doctor's prescription and monitoring. The risks, including severe stomach issues and low blood sugar, are significant when used indiscriminately. Sustainable weight loss requires lifestyle changes, not just medication.

GIP receptor antagonism promotes weight loss and protects against diet-induced obesity, potentially by enhancing leptin sensitivity in the hypothalamus and reducing lipid storage in adipose tissue.

Research indicates that blocking the GIP receptor (antagonism) can also lead to weight loss, possibly by improving how your body responds to leptin and reducing fat storage. This is an emerging area of treatment, with some drugs in clinical trials combining GIP antagonism with GLP-1 agonism for enhanced effects.

Resistance training does not significantly improve appendicular skeletal muscle mass (ASM) or appendicular skeletal muscle mass index (ASMI) in older adults with sarcopenia.

Do not expect resistance training to significantly increase your muscle mass or muscle mass index if you have sarcopenia. The benefits you feel (strength, balance) are likely due to your nervous system working better, not your muscles getting bigger. This is still a positive outcome for function, even if the scale or tape measure doesn't change much.

Higher starch intake is associated with lower levels of specific plasma proteins (adrenomedullin, IL1ra, FABP4, leptin, CCL20) that are themselves positively associated with increased CVD and mortality risk.

This finding suggests that moderate starch intake may help regulate inflammatory and adiposity-related proteins. However, since the association weakened after adjusting for BMI, maintaining a healthy weight is likely the primary driver of these benefits.

Spirulina supplementation does not significantly reduce waist circumference in the general adult population, though it may benefit obese individuals over 40.

Do not expect Spirulina to significantly reduce waist circumference for the general population. However, if you are obese and over 40, taking ≥2g/day may help. Focus on its proven benefits for overall weight and body fat reduction instead.

Off-label prescribing of semaglutide (Ozempic) for weight loss causes significant supply shortages for patients with type 2 diabetes who require the medication for its FDA-approved indication.

If you are considering Ozempic for weight loss, understand that it is a serious medication, not a cosmetic shortcut. It works by mimicking hormones that regulate hunger, but stopping it often leads to significant weight regain. Be aware that high demand for off-label use has caused shortages for people who need it for diabetes, so discuss ethical access and long-term sustainability with your doctor before starting.

Public health strategies targeting the obesogenic environment (e.g., SSB taxes, zoning, produce prescriptions) are necessary to support individual weight management efforts, as individual lifestyle advice is undermined by environmental factors.

Individual willpower is not enough in an environment designed to promote obesity. Support public health policies like sugar taxes, zoning for healthy food access, and produce prescription programs. These environmental changes make healthy choices easier and more affordable.

Monounsaturated fat (MUFA) intake has a significant but weak correlation with multiple obesity and coronary indices (CI, AVI, BRI, WWI, AIP), suggesting a less pronounced impact on these specific metrics compared to SFA and PUFA.

In this study, monounsaturated fat (MUFA) intake was weakly correlated with various obesity and heart health markers. While MUFA is generally considered healthy, this study suggests its direct impact on these specific abdominal and coronary indices is less strong than that of saturated or polyunsaturated fats in this population.

Electronic message (SMS/email) nudges consisting of 3-4 weekly questions about diet adherence and emotional state do not significantly improve class attendance, diet adherence, or weight loss maintenance compared to historical controls in the second half of a weight loss trial.

If you are trying to stick to a diet plan, simple automated text messages asking about your progress are unlikely to be enough on their own to keep you on track. To maintain adherence, especially when in-person support drops off, you likely need more interactive, varied, or personalized feedback mechanisms rather than just generic reminders.

Long-term intermittent fasting (IF) protocols, particularly time-restricted eating (TRE) with short windows (e.g., 8 hours), are associated with increased cardiovascular disease (CVD) mortality and adverse cardiac structural changes, primarily mediated by lean mass loss, circadian misalignment, and reward-based poor dietary choices.

If you practice intermittent fasting, be aware that long-term use (especially with very short eating windows like 8 hours) may increase your risk of heart disease and mortality, particularly if you have existing heart conditions or genetic risks. The benefits seen in short-term studies (less than 12 weeks) do not necessarily translate to long-term health. Focus on preserving muscle mass, eating nutrient-dense foods, and consider combining fasting with exercise or switching to a Mediterranean diet for better long-term cardiovascular outcomes.

Neuropilin-1 (NRP-1) plasma levels are inversely associated with fasting plasma triglycerides, and changes in NRP-1 during exercise are inversely correlated with changes in triglycerides.

This paper identifies a new potential biomarker, Neuropilin-1 (NRP-1), which is linked to triglyceride levels. While not a direct treatment, monitoring NRP-1 might help understand how exercise affects lipid metabolism in MetS patients. Lower NRP-1 changes are associated with greater triglyceride reductions.

Low-Carbohydrate High-Fat (LCHF) and Ketogenic diets do not significantly alter ALT levels in individuals with MASLD compared to control diets.

Current evidence from this meta-analysis does not support LCHF or Ketogenic diets as significantly effective for lowering liver enzymes (ALT) in people with MASLD compared to control diets. The wide variation in how 'low-carb' was defined across studies makes it difficult to draw firm conclusions, but it did not show the significant benefits seen with fasting or MedDiet.

Omega-3 fatty acid supplementation does not significantly alter ALT levels in individuals with MASLD.

Taking Omega-3 fatty acid supplements does not significantly lower liver enzymes (ALT) in people with MASLD compared to control groups. While Omega-3s are generally healthy, they should not be relied upon as a primary treatment for improving liver health biomarkers in this condition.

Physical activity level is not significantly associated with blood lipid profiles in patients with coronary heart disease.

Contrary to common belief, this study found that physical activity levels did not significantly correlate with blood lipid profiles in CHD patients. While you should still stay active for overall heart health, do not rely on exercise alone to fix high cholesterol or triglycerides. Focus your primary efforts on managing your intake of fats and carbohydrates.

Moderate alcohol consumption (≤2-3 drinks/day for men, ≤1-2 for women) is associated with lower cardiovascular morbidity and all-cause mortality, but does not justify starting to drink for health reasons.

If you already drink moderately (up to 2-3 drinks for men, 1-2 for women), you can likely continue without worry regarding heart health. Do not start drinking if you don't already, as the risks (especially breast cancer in women) outweigh the benefits. Binge drinking should be strictly avoided.

High-intensity acute exercise suppresses hunger and food intake, but this suppression is not associated with a decrease in total ghrelin concentration.

If you are tracking hormones to understand your appetite, note that total ghrelin levels may not change during high-intensity exercise even if you feel less hungry. The active form, acyl ghrelin, is likely the key driver of this suppression.

GLP-1 receptor agonist therapy improves tear production and tear film stability in patients with type 2 diabetes compared to non-GLP-1 RA therapies.

If you have Type 2 Diabetes and are considering or using GLP-1 RAs (like semaglutide or dulaglutide), this research suggests these medications might actually help keep your eyes moist and stable compared to other diabetes drugs. While this doesn't replace standard dry eye treatments, it is a potential benefit to discuss with your doctor, especially if you suffer from dry eye symptoms.

Endoscopic Bariatric Procedures (EBP), including intragastric balloon (IGB), aspiration therapy (AT), and primary obesity surgery endoluminal (POSE), are generally less effective than newer OMMs (semaglutide, tirzepatide) and have limited long-term data.

Endoscopic procedures (IGB, AT, POSE, ESG) offer moderate weight loss (3.8-12.8% TBWL) in the short term but are generally less effective than newer medications (semaglutide, tirzepatide) and lack long-term efficacy data. They may be considered for patients who are not candidates for surgery or high-dose medications, but they are not the most effective option for significant, sustained weight loss.

Network pharmacology analysis suggests that the synergistic mechanism of combined exercise and medication involves the IL1B-STAT3 inflammatory axis and SIRT1/CD36 lipid metabolism network.

This is a mechanistic hypothesis. It suggests that combining exercise and medication may work by reducing inflammation (IL1B-STAT3) and improving lipid metabolism (SIRT1/CD36).

Low-carbohydrate diets (≤60 g/d) do not have a significant adverse effect on serum lipid profiles, fasting serum glucose, fasting serum insulin levels, or blood pressure compared to higher-carbohydrate diets.

You can use a low-carbohydrate diet without fearing immediate harm to your heart health, blood sugar control, or blood pressure based on this review. The safety profile appears comparable to higher-carb diets for these specific markers.

Saturated fat consumption has no independent association with incident diabetes in prospective cohort studies, despite mixed results in short-term randomized trials.

You do not need to fear saturated fat as a direct cause of diabetes. Focus on maintaining a healthy weight and eating a balanced diet. The type of fat matters less for diabetes risk than the overall quality of your diet and your body weight.

High vegetable intake is inversely associated with cardiovascular disease (CVD) mortality in Japanese women, but this association is not observed in men.

For Japanese women, increasing vegetable intake is associated with a lower risk of dying from heart disease. For men in this specific population, no such link was found. This suggests that while vegetables are generally healthy, their protective effect against heart disease mortality may be sex-dependent.