Browse the evidence

In men with metabolic syndrome, a 12-week lifestyle intervention increases circulating BDNF, and this increase correlates with reduced depressive symptoms, whereas body weight reduction alone does not predict depression improvement.

For men with metabolic syndrome, lifestyle changes improve depression, but only if they successfully raise BDNF levels. Simply losing weight without raising BDNF will not improve your mood. Focus on the lifestyle changes (diet and exercise) that boost BDNF, rather than just the scale.

Modifying the built environment to improve walkability, increasing access to affordable healthy foods, and restricting tobacco availability can reduce adverse cardiovascular risk behaviors in high-risk Aboriginal communities.

For community leaders and health advocates in high-risk areas, focus on changing the environment rather than just educating individuals. Improve walkability (safe streets, facilities), ensure affordable healthy food is available locally, and implement strict controls on tobacco access, especially for youth. Individual willpower is insufficient when the environment is hostile to health.

High carbohydrate consumption, particularly refined grains, is associated with lower HDL-C and higher triglycerides, contributing to the high prevalence of dyslipidemia in Iran.

To improve your lipid profile, consider reducing your intake of refined carbohydrates and increasing your consumption of whole grains and fiber. This may help improve your HDL cholesterol and triglyceride levels.

Obesity is a chronic disease requiring long-term management, and primary care physicians should utilize a tiered referral model (minimal, intermediate, or complete) based on their resources and patient risk to manage it effectively.

If you have obesity, recognize it as a chronic condition requiring long-term management, not a quick fix. Work with your primary care doctor to determine your risk level. If your doctor is not specialized in obesity, ask for a referral to an obesity specialist or a multidisciplinary program that includes behavioral support, dietitians, and possibly medication. Focus on health improvements (like blood pressure or glucose) rather than just the number on the scale.

State-of-the-art obesity treatment requires a multidisciplinary approach including behavioral modification, diet, and physical activity, often supplemented by pharmacotherapy or surgery for severe cases, rather than lifestyle information alone.

Seek a comprehensive treatment program that includes behavioral support, not just a diet plan. For higher BMIs, discuss medication or surgery options with your doctor. Long-term maintenance requires ongoing support from a team (dietitians, behaviorists, exercise specialists).

Exercise increases circulating undercarboxylated osteocalcin (ucOC) levels, which is associated with increased whole-body insulin sensitivity.

Exercise naturally increases osteocalcin levels, which helps improve insulin sensitivity. You don't need to target this specifically; regular physical activity is sufficient to trigger this beneficial hormonal response.

Tesofensine (combined with metoprolol) significantly reduces body weight, waist circumference, and glucose levels in adults with hypothalamic obesity compared to placebo.

Tesofensine combined with metoprolol significantly reduces weight, waist circumference, and glucose in adults with hypothalamic obesity. It works by increasing sympathetic tone. Side effects are generally mild.

Sensory-related industrial additives (SRIAs) in ultra-processed foods increase the risk of obesity-related conditions by enhancing sensory qualities that encourage overconsumption, independent of conscious palatability ratings.

To reduce the risk of overconsumption linked to ultra-processed foods, prioritize whole foods and minimize intake of products containing sensory-related industrial additives (SRIAs). These additives, found in 64.9% of US packaged foods (especially sweets, beverages, and ready-to-eat meals), are designed to enhance taste, texture, and appearance, which can bypass natural satiety signals and drive overeating. Check ingredient lists for terms like 'modified starch,' 'artificial flavor,' 'colors,' and 'sweeteners' as indicators of high SRIA content.

GLP-1 agonists (Semaglutide, Liraglutide) and dual GIP/GLP-1 agonists (Tirzepatide) are potential pharmacotherapies for MASLD/MASH due to their metabolic effects and ability to induce weight loss.

GLP-1 and GIP/GLP-1 agonists (like Semaglutide and Tirzepatide) are promising treatments for MASLD because they drive significant weight loss and improve metabolic health. They are often used in patients with Type 2 Diabetes. Oral options exist for Semaglutide.

Higher habitual and lunch-specific carbohydrate quality index (CQI) is significantly associated with a reduced odds of low HDL cholesterol, but shows no significant association with metabolic syndrome or other MetS components.

Focus on the quality of carbohydrates you eat, particularly at lunch and throughout your habitual diet, to support healthy HDL cholesterol levels. This involves choosing foods with higher fiber, lower glycemic index, and fewer solid sugars. However, do not assume that high carbohydrate quality alone will prevent metabolic syndrome; you must also manage other factors like blood pressure, blood sugar, and waist circumference through comprehensive lifestyle changes.

Among older adults (65+), higher intake of carbohydrate-rich foods is negatively associated with self-reported depressive symptoms, contradicting the hypothesis that carbohydrates have no association with depression.

For older adults, eating carbohydrate-rich foods like pasta and cookies was linked to fewer depressive symptoms in this study. Rather than strictly avoiding carbs for mental health, consider that these foods may serve as comfort strategies that help alleviate negative emotions in this age group.

Living in the Sardinian Blue Zone (SBZ) socio-cultural context, combined with higher perceived physical health and time spent gardening, predicts lower depressive symptoms in older adults.

For seniors, engaging in gardening and maintaining good physical health are linked to lower depression. Living in a community that values autonomy and tradition (like the Blue Zone) may also support mental well-being.

Higher intake of animal-derived proteins is negatively associated with self-reported depressive symptoms in older adults.

For older adults, higher intake of animal-derived proteins was linked to fewer depressive symptoms. This may be due to maintaining muscle strength or using protein-rich foods as comfort.

Engagement in e-cycling serves as an acceptable and effective self-management strategy for Type 2 Diabetes (T2DM) that fosters patient autonomy and may reduce reliance on medication.

If you have Type 2 Diabetes, consider e-cycling as a viable exercise option. It is designed to assist you, making it accessible even if you have lower fitness levels or face hilly terrain. This form of activity can help you feel more in control of your health and may reduce your need for medication over time. Consult your primary care provider to discuss starting an e-cycling program.

An 8-week live online exercise program delivered by qualified professionals significantly reduces depressive symptoms and improves life-space mobility in community-dwelling older adults (65-80 years) compared to a waitlist control.

If you are over 65, a live, online exercise class led by a professional can significantly boost your mood and independence. Look for programs that offer live interaction (not just videos) and have qualified instructors who can modify exercises for your specific needs. Consistency (3x/week for 8 weeks) is key to seeing these mental and physical benefits.

Painful exercises (using a threshold or tolerability limit) may offer small but significant benefits over pain-free exercises in the short term for chronic musculoskeletal pain, though this is unknown for people with haemophilia.

For chronic musculoskeletal pain, allowing some pain during exercise (within a safe threshold) might be more beneficial in the short term than strictly avoiding pain. However, for people with haemophilia, this approach needs more research to determine safety and efficacy.

In type 2 diabetic patients with normal baseline renal function, baseline obesity (BMI ≥ 25 kg/m²) and longitudinal weight gain exceeding 10% are independently associated with an increased risk of developing decreased renal function (eGFR < 60 mL/min/1.73 m²).

For Type 2 Diabetics with normal kidney function, avoiding obesity (BMI ≥ 25) and preventing significant weight gain (>10%) are key strategies to protect kidney health. Interestingly, simply losing weight may not be enough to lower renal risk if other metabolic factors (blood pressure, lipids, glucose) are not managed, suggesting a holistic approach to metabolic health is required rather than weight loss alone.

A 1-hour online continuing medical education (CME) course focused on type 2 diabetes nutrition significantly increases physicians' nutrition knowledge and confidence in providing lifestyle counseling.

If you are a healthcare provider, consider completing a short, focused online course on diabetes nutrition. This specific 1-hour course was shown to significantly boost knowledge and confidence in counseling patients, addressing the common gap in medical school training. It offers practical tools like billing codes to make integration into your practice easier.

High-carbohydrate diets (>45% calories, >6 g/kg body weight) and high-dose carbohydrate supplements (up to 90 g/session) in endurance athletes may negatively impact gut microbiota composition and intestinal barrier integrity by promoting dysbiosis and low-grade inflammation.

If you are an endurance athlete, be aware that very high carbohydrate intake (>6g/kg) combined with low fiber can disrupt your gut bacteria and increase inflammation. Consider balancing your carb intake with prebiotic fibers (like pectin or inulin) to protect your gut barrier, especially if you are consuming high doses of simple sugars or maltodextrin during training.

Adoption of a Westernized diet characterized by high energy density, processed foods, and increased sugar and fat intake significantly increases the risk of cardiovascular disease (CVD) and related risk factors such as obesity, diabetes, and hypertension.

To reduce cardiovascular risk, prioritize whole, home-grown foods over processed, energy-dense options. Focus on reducing sugar and fat intake from processed sources and increasing consumption of fruits, vegetables, and legumes as part of a balanced diet.

Higher dietary acid load (indicated by PRAL, NEAP, and DAL) is positively associated with greater muscle strength in Iranian adults, primarily mediated by higher protein and meat intake.

If you want to increase muscle strength, focus on consuming adequate protein, particularly from animal sources like meat, dairy, and eggs. These foods naturally create a higher dietary acid load, which this study correlates with better strength. Do not restrict these foods in an attempt to 'alkalize' your diet if your goal is muscle gain.

Insulin resistance in patients with polycystic ovary syndrome (PCOS) is a distinct and significant research hotspot, with metformin and glucose tolerance being key intervention and outcome measures.

For women with PCOS and insulin resistance, clinical trials often focus on metformin administration and improving glucose tolerance. This is a distinct clinical pathway from general obesity-related insulin resistance.

Dapagliflozin (5-10 mg) significantly improves glycemic control (HbA1c reduction) in Type 2 Diabetes patients over 12 months with a favorable safety profile, despite a small risk of genital infections and rare DKA.

If you have Type 2 Diabetes, Dapagliflozin (5-10mg daily) is an effective, well-tolerated option to lower your HbA1c. It works by helping your kidneys excrete excess sugar. While it slightly increases the risk of genital itching or yeast infections, serious side effects are rare. It is often used alongside diet, exercise, and other diabetes medications.

Among Swedish nutrition students, shifting dietary energy intake from carbohydrates to fat (decreasing carbs from ~47% to ~41% and increasing fat from ~32% to ~37%) is associated with maintained or increased fiber and micronutrient intake, suggesting this macronutrient partitioning is not inherently unfavorable for this specific demographic.

If you are shifting your diet to eat fewer carbohydrates and more fats, ensure you are still getting enough fiber and micronutrients. In this study, students who ate less carbs still met fiber recommendations and saw improvements in folate and vitamin D intake. Focus on the quality of your food (vegetables, nuts, whole grains) rather than just hitting a specific carbohydrate percentage target.