Browse the evidence

An 8-week combined functional strength and nutrition education program does NOT significantly improve gait speed, health-related quality of life (HRQoL), or protein intake in older adults with pre-frailty and frailty, although exploratory analysis suggests potential trends.

Knowing you need more protein doesn't always mean you will eat more, especially if you live in a facility with limited menu choices. Focus on practical strategies like adding specific high-protein snacks or choosing protein-rich options from existing menus, rather than trying to completely change your diet overnight. Combine this with strength training for the best functional results.

Unintentional weight loss in type 2 diabetes is associated with a higher risk of all-cause mortality, whereas the association with intentional weight loss is unclear.

Unintentional weight loss in type 2 diabetes should be taken seriously as it may signal underlying health issues and is linked to higher mortality. The impact of intentional weight loss on mortality is less clear, so patients should focus on overall health management rather than just weight loss.

General obesity does not significantly increase the risk of incident cardiovascular disease (CVD) events in individuals with type 2 diabetes, although it does increase mortality risk.

For people with diabetes, managing weight is less about preventing heart attacks and more about preventing death from any cause. While obesity doesn't significantly increase CVD risk in diabetics, it does increase mortality risk, so weight management remains important.

Obstetrician-gynecologists generally perceive plant-based dietary patterns as safe and health-promoting for pregnant and lactating patients, yet a significant majority feel inadequately trained to provide nutrition counseling, leading to a discrepancy between positive attitudes and actual clinical recommendations.

For OB/GYNs: Recognize that your positive view of plant-based diets is supported by evidence, but your lack of training is the main barrier to recommending them. Seek out specific nutrition education or refer patients to dietitians to ensure safe implementation during pregnancy.

A healthy vegan diet increases basophil levels in the blood, whereas a healthy omnivorous diet decreases them, indicating diet-specific immune system modulation.

Switching to a healthy vegan diet may alter your immune profile by increasing basophil levels, a type of white blood cell. While this is a specific change, it highlights that plant-based diets actively modulate the immune system rather than just suppressing it.

A healthy vegan diet increases methylation at the ABCG1 locus (potentially elevating Type 2 Diabetes risk) while simultaneously increasing methylation at the PHOSPHO1 locus (potentially reducing Type 2 Diabetes risk), creating a complex and opposing effect on T2D biomarkers.

A healthy vegan diet has complex effects on Type 2 Diabetes biomarkers, increasing methylation at one locus (potentially raising risk) and another (potentially lowering risk). This suggests that the net effect on T2D risk is not straightforward and requires further investigation.

Transitioning from dulaglutide to tirzepatide improves glycemic control (increased time in range, decreased mean glucose) without increasing hypoglycemia in patients with type 2 diabetes undergoing hemodialysis.

For patients with type 2 diabetes on hemodialysis who are not achieving good blood sugar control on dulaglutide, switching to tirzepatide (2.5 mg weekly) can significantly improve blood sugar stability and reduce high blood sugar episodes without increasing the risk of dangerous low blood sugar. This switch should be considered when current therapy fails, keeping in mind that mild stomach issues may occur but are generally manageable.

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.