Browse the evidence

In BDNF rs10835211 GG genotype carriers, higher daily energy intake (>1800 kcal) is associated with lower fasting insulin, lower HbA1c, and lower HOMA-IR compared to lower energy intake, despite similar or higher body weight.

If you carry the BDNF rs10835211 GG genotype, restricting calories too severely (<1800 kcal) might be associated with higher insulin resistance and HbA1c. Ensure you are eating enough to support your metabolic health, as this group may respond differently to caloric restriction.

Female resistance-trained athletes tend to spare more lean mass than males during caloric restriction, potentially due to differences in training experience, pre-diet volume, and energy deficit.

Female athletes may naturally preserve muscle better during a cut than males, but they should still prioritize high training volume to maximize this benefit.

Intensive Weight Management Programmes (IWMPs) utilizing Total Diet Replacement (TDR) achieve substantial, sustained weight loss (5-15%) and metabolic improvements in populations with obesity and type 2 diabetes, though specific evidence for women with PCOS is currently insufficient.

For women with PCOS, standard diet and exercise advice often fails to produce lasting metabolic benefits. Intensive programs using meal replacements (TDR) for a few months, followed by a structured return to food, can produce significant weight loss (5-15%) and improve metabolic health. However, because specific studies on PCOS are lacking, this approach should be considered promising but unproven for this specific group, requiring careful monitoring.

Quercetin supplementation at 1000 mg/day for >7 days accelerates recovery of muscle function and reduces muscle soreness and oxidative stress after intense exercise.

If you engage in intense exercise that causes muscle damage, taking 1000 mg of quercetin daily for at least 7 days (up to 12 weeks) may help reduce muscle soreness and speed up recovery. This is generally considered safe for young adults.

Adults with type 2 diabetes and high baseline glycemic risk (HbA1c >9%) experience the greatest improvements in glycemic control, physical health, and mental health from a 12-week multichannel digital health coaching program compared to those with lower baseline risk.

If you have Type 2 Diabetes and your HbA1c is above 9%, a structured 12-week digital coaching program involving weekly phone calls and text-based goal tracking is likely to significantly lower your blood sugar and improve your physical and mental health. If your HbA1c is already well-controlled (below 7%), you may not see significant changes in blood sugar, though you might still benefit from reduced diabetes distress.

Individuals previously engaged in resistance training can maintain participation during lockdown-induced facility closures by adapting to home-based modalities (bodyweight, minimal equipment) and full-body routines, though this adaptation is associated with reduced perceived effort, enjoyment, and motivation.

If your gym is closed, don't stop training. You can maintain your resistance training habits at home by switching to bodyweight exercises or using whatever equipment you have. Expect that it might feel easier and less enjoyable than before, and that your motivation might dip. This is normal. Focus on consistency rather than trying to replicate the exact intensity or equipment of your gym sessions. Most people can keep training even with these constraints.

Higher frequency, power-focused intensity, and traditional strength training programs yield superior improvements in walking capacity, speed, and quality of life compared to other prescriptions.

To get the most out of strength training after a stroke, focus on moving quickly (power) rather than just lifting heavy weights. Aim for more frequent sessions and traditional exercises that target specific muscle groups. This approach has been shown to significantly improve walking speed and quality of life.

Adherence to a ketogenic-like diet (KLD) results in a transient increase in LDL cholesterol but a sustained improvement in the triglyceride-to-HDL ratio (log(TG/HDL)), indicating a shift toward a less atherogenic LDL profile compared to ultra low-fat diets (ULF).

If you follow a very low-carb diet and see your LDL cholesterol rise, do not automatically assume your heart risk has increased. Look at your Triglyceride-to-HDL ratio; if it has improved significantly, it suggests your LDL particles have become larger and less harmful, which is a positive metabolic shift. Maintain your diet quality by minimizing added sugars and refined grains.

Both ketogenic-like (KLD) and ultra low-fat (ULF) diets produce similar weight loss and improvements in insulin resistance when adhered to, regardless of macronutrient composition.

You can lose significant weight and improve insulin resistance on either a very low-carb or a very low-fat diet, provided you stick to it. The specific macronutrient ratio matters less than your ability to maintain the diet and create a caloric deficit. Choose the pattern that allows you to minimize added sugars and refined grains while maximizing vegetables.

Tirzepatide demonstrates superior efficacy compared to Semaglutide in reducing HbA1c levels, but shows no clear superiority in weight loss or FBS reduction.

If your current Semaglutide treatment is not lowering your HbA1c enough, switching to Tirzepatide may provide better blood sugar control. However, do not expect significantly more weight loss from this switch, as both drugs appear to offer similar weight reduction benefits in this analysis.

Switching from Liraglutide to Semaglutide results in significant additional weight loss and FBS reduction, but does not significantly impact HbA1c levels.

If you are currently on Liraglutide and struggling with weight or fasting blood sugar, switching to Semaglutide may help you lose more weight and lower your FBS. However, this switch is unlikely to significantly improve your HbA1c levels.

Moderate consumption of dairy products, particularly fermented dairy like yogurt, is associated with reduced cardiovascular risk and lower long-term weight gain, contrary to historical concerns about saturated fat.

You can include moderate amounts of dairy in your diet, especially fermented options like yogurt and cheese. They are linked to lower cardiovascular risk and weight gain. Avoid very high intake (>1000g/day).

A hybrid intensive lifestyle intervention (HM) combining 2 in-person and 10 virtual sessions is as effective as fully in-person or fully virtual models for reducing body weight and improving glycemic control in patients with diabetes and obesity over 12 weeks.

If you have diabetes and obesity, a hybrid lifestyle program that mixes a few clinic visits with online coaching can help you lose weight and control blood sugar just as well as going to the clinic every week. This approach saves you travel time and money while still providing the necessary medical supervision and support to succeed.

Providing individuals with a computer-generated report of their personal cardiovascular risk profile and guideline-based lifestyle recommendations leads to the identification of reasons for non-adherence, though implementation of these preventive measures remains poor in the general population.

Generic health advice often fails because it lacks personal relevance. This study proposes using a personalized risk report (based on your actual blood pressure, weight, and labs) to guide specific lifestyle changes. The key is not just the advice, but identifying *why* you might not follow it (e.g., cost, time, preference) through annual check-ins. The goal is to move from generic guidelines to a strategy that fits your specific life and risk profile.

Consuming at least 3 servings (approx. 216g) of legumes daily significantly reduces cardiovascular disease (CVD) prevalence in adults with a BMI between 26 and 34 kg/m2.

If your BMI is between 26 and 34, aim for 3 servings of legumes daily to help lower your cardiovascular disease risk. One serving equals 72 grams (e.g., 1 cup of cooked beans or 2 pieces of tofu). This is a specific target for your weight range; general guidelines of one serving may not be enough for this benefit.

GLP-1 receptor agonists facilitate significant weight loss and metabolic improvement in non-pregnant women, but current evidence does not demonstrate that pre-pregnancy use improves pregnancy outcomes and may be associated with increased gestational weight gain.

GLP-1 drugs like Semaglutide cause significant weight loss in women with obesity. However, because there is no proof they improve pregnancy outcomes and animal studies suggest potential fetal growth restriction (likely due to maternal weight loss/nutrition), they are not currently recommended for improving pregnancy success. Women using these drugs should use effective contraception and stop the medication at least 6 weeks before trying to conceive, as advised by current guidelines.

Combining semaglutide with cilofexor or firsocostat improves liver steatosis more than semaglutide monotherapy in patients with NASH and mild-to-moderate fibrosis, without significantly affecting liver stiffness.

For patients with mild-to-moderate NASH fibrosis, adding cilofexor or firsocostat to semaglutide treatment can reduce liver fat more effectively than semaglutide alone. However, this combination does not appear to improve liver stiffness (fibrosis) and involves taking multiple daily medications alongside weekly injections.

Oral semaglutide (up to 14 mg daily) significantly reduces liver steatosis, liver enzymes, and body weight in patients with NAFLD and Type 2 Diabetes, correlating with weight loss.

Oral semaglutide (up to 14 mg daily) is an effective treatment for NAFLD in patients with Type 2 Diabetes, significantly reducing liver fat and enzymes. The benefits are closely linked to weight loss, and side effects are generally manageable with dose escalation.

Replacing animal protein with plant protein in the diet is associated with lower cardiovascular disease mortality and all-cause mortality, particularly when substituting processed red meat.

To support long-term heart health and longevity, prioritize plant-based protein sources (legumes, grains, nuts) over animal sources, especially processed red meats. You do not need to eliminate animal protein, but shifting the balance toward plants is linked to lower mortality risk. Ensure you are eating a variety of plant proteins to cover essential amino acid needs.

High protein intake (>0.8 g/kg BW) does not negatively impact kidney function in healthy individuals, and may prevent bone loss when combined with adequate calcium and vitamin D.

If you have healthy kidneys, you do not need to limit protein for renal safety. For bone health, aim for higher protein intake (above 0.8 g/kg) but ensure you are getting enough calcium (>800 mg/day) and vitamin D, as protein helps calcium absorption and may reduce fracture risk in this context.

High-Intensity Interval Training (HIT) may improve insulin sensitivity more effectively than moderate-intensity continuous training (MICT) in some studies, though evidence is less extensive.

Consider high-intensity interval training if you find moderate continuous exercise boring or time-consuming, as it may offer superior insulin sensitivity benefits in a shorter time.

Individual response to exercise training varies significantly, with 10-20% of people being 'non-responders' for specific metrics, but metabolic improvements often occur even without fitness gains.

Even if you don't feel fitter, exercise still improves your metabolism. Don't give up if you don't see immediate fitness gains.

A complex lifestyle intervention combining high-intensity interval training (HIIT), dietary counseling, and behavioral habit-change strategies is feasible and safe for inactive older adults (55-75 years) with obesity and elevated cardiovascular disease risk, provided the intervention schedule is optimized to prevent early dropout.

For inactive older adults with obesity and heart disease risk, a supervised program combining high-intensity cycling intervals, resistance training, and dietary/behavioral counseling is safe and feasible. Key to success is staggering the schedule: do not overload participants with dietary and psychological counseling simultaneously with the start of intense exercise. Ensure the program includes social components, as this improves adherence.

Digital counseling tools (mobile app with coach contact vs. newsletters) are being tested as adjuncts to dietary interventions for weight maintenance, but their specific efficacy compared to each other or standard care is not yet proven.

Use a mobile app with a coach or receive regular newsletters to help you stick to your diet. The app offers more direct contact (weekly at first, then less often), while newsletters provide general tips. Both are designed to support long-term maintenance.