Browse the evidence

Dietary fibers, particularly soluble apple pectin, selectively reshape the gut microbiota of obese individuals by increasing beneficial bacteria (Megasphaera, Akkermansia) and reducing harmful ones (Acidaminococcus intestini), thereby improving metabolic health markers compared to lean profiles.

If you are obese, not all fibers are created equal for your gut health. Soluble fibers like apple pectin appear to specifically boost beneficial bacteria (like Akkermansia and Megasphaera) and reduce harmful ones in obese gut environments. Incorporating apple pectin or whole apples may be a more effective strategy for metabolic health than generic fiber supplements.

Low-carbohydrate diets (LCDs) and calorie restriction can improve cognitive function and combat age-related cognitive decline through mechanisms involving reduced oxidative stress, anti-inflammatory responses, and enhanced neurogenesis.

Limit carbohydrates to less than 20% of your calories, focusing on fats and proteins from meat, poultry, fish, eggs, cheese, nuts, and seeds. This approach may help combat age-related cognitive decline, especially if you have obesity or type 2 diabetes. Monitor your lipid profile as high fat intake can raise LDL.

Co-ingestion of caffeine with creatine may blunt the ergogenic effects of creatine on performance, although it does not appear to alter creatine uptake into muscle.

If you use both caffeine and creatine, consider taking them at different times. Caffeine might cancel out the strength benefits of creatine, even if it doesn't stop your muscles from absorbing it. Try taking caffeine before your workout and creatine after.

The Mediterranean diet yields the largest estimated reduction in Major Adverse Cardiovascular Events (MACE) risk among dietary patterns for T2DM patients, primarily driven by reductions in HbA1c and Systolic Blood Pressure, although this estimate is not statistically significant.

While no diet is statistically proven to prevent heart attacks in T2DM patients in this study, the Mediterranean diet showed the strongest potential to reduce cardiovascular risk by improving blood pressure and blood sugar. It is a strong candidate for heart health, even if the statistical certainty is low.

Lifestyle interventions, particularly those involving Mediterranean diets enriched with polyphenols, can reduce DNA methylation age (epigenetic aging) in overweight and obese individuals.

Healthy lifestyle choices, including diet and exercise, can slow down your biological aging process. This means you can potentially age slower than your chronological age suggests by maintaining a healthy weight and diet.

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.

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.

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.

Higher Dietary Inflammatory Index (DII) scores are independently associated with an increased risk of Coronary Heart Disease (CHD), with a 1-unit increase in DII corresponding to an odds ratio of 1.049 for CHD after adjusting for confounders.

Focus on reducing pro-inflammatory foods and increasing anti-inflammatory ones, specifically paying attention to carbohydrate quality, ensuring adequate Vitamin C and Iron intake. While you don't need to calculate a complex index, these specific nutrients appear to drive the inflammatory response linked to heart disease risk.

The association between Dietary Inflammatory Index (DII) and Coronary Heart Disease (CHD) is mediated by metabolic and lipid indicators, specifically Triglyceride-Glucose (TyG) index, Visceral Adiposity Index (VAI), Body Mass Index (BMI), Waist-to-Height Ratio (WHtR), High-Density Lipoprotein (HDL), and Glomerular Filtration Rate (GFR).

Managing weight, blood sugar, and cholesterol through diet can help mitigate the heart disease risk associated with inflammatory diets. Specifically, improving HDL and reducing visceral fat are key steps.

The adverse impact of Dietary Inflammatory Index (DII) on Coronary Heart Disease (CHD) is more pronounced in individuals aged <75 years, females, those with low cholesterol levels, and those with low Framingham risk scores.

If you are young, female, or have low traditional heart disease risk, your diet's inflammatory potential may have a disproportionately larger impact on your heart health compared to high-risk individuals.

Loaded inter-set stretch (20s) during resistance training selectively enhances soleus muscle thickness compared to traditional rest, while having ambiguous or negligible effects on the gastrocnemii in untrained men.

If you are untrained and want to maximize soleus growth, add a 20-second loaded stretch using your working weight immediately after each calf raise set. This may help the soleus grow more than the gastrocnemii. However, do not expect this to significantly increase the size of your calf muscles (gastrocnemii) compared to just resting between sets. Strength gains are maintained regardless of the method.

An eight-week healthy vegan diet significantly reduces epigenetic age acceleration (PC GrimAge, PC PhenoAge, DunedinPACE) and systems-specific aging (Inflammation, Heart, Hormone, Liver, Metabolic) in adults, whereas a healthy omnivorous diet does not produce these epigenetic changes.

Adopting a healthy vegan diet for just eight weeks can significantly slow down biological aging markers, including inflammation, heart, and metabolic aging. This suggests that plant-based eating patterns can have rapid, measurable benefits on how your body ages at a molecular level, outperforming a healthy omnivorous diet in this specific context.

Resistance training significantly improves muscle strength and physical function in older adults with sarcopenia, but the magnitude of improvement often fails to exceed the Minimal Important Difference (MID) thresholds for clinical relevance.

For older adults with sarcopenia, resistance training is beneficial for strength but may not be enough to restore full functional independence on its own. To maximize benefits, aim for a high frequency (3 times/week) and a total weekly volume around 1220 MET-min/week for grip strength, or 600 MET-min/week for walking speed. However, manage expectations: these improvements might not be large enough to drastically change daily functional status without additional interventions.

Higher training frequency (3 times/week vs. 2 times/week) and specific resistance types (Constant for knee extension, Combined for gait speed) are key effect modifiers for optimizing resistance training outcomes in sarcopenia.

To maximize strength gains from resistance training, aim for 3 sessions per week rather than 2. If your goal is knee strength, constant resistance machines may be best. If your goal is walking speed, a mix of resistance types (combined) might be superior. Individualize your program based on these specific goals.

Cluster sets (CS) elicit similar muscular hypertrophy to traditional sets (TS) when volume (sets/reps) and effort (RIR 0-1) are equated.

If you prefer cluster sets (pausing between reps/blocks), you can build muscle just as effectively as traditional sets, provided you match the total number of reps and train close to failure (0-1 reps in reserve). Don't worry about the total weight moved being lower in CS; focus on hitting your rep targets with high effort.

Nutritional supplementation can attenuate quadriceps muscle atrophy and promote hypertrophy following ACL injury and reconstruction through three primary mechanisms: direct stimulation of muscle protein synthesis, indirect enhancement of training capacity, and direct effects on satellite cell proliferation.

If you have had ACL surgery, do not rely on exercise alone to rebuild your thigh muscle. Incorporate nutritional strategies that support muscle protein synthesis (like adequate protein intake) and potentially supplements like creatine or caffeine (if appropriate for your rehab phase) to help your muscles grow and recover more effectively than exercise alone.

Creatine supplementation may enhance muscle hypertrophy following ACL injury by increasing intramuscular phosphocreatine, thereby improving high-intensity exercise capacity, and potentially stimulating mTOR and satellite cell proliferation.

Consider creatine supplementation during the later stages of your ACL rehab when you start doing more intense exercises. It can help your muscles generate energy faster and may support muscle growth.

Longer-muscle length resistance training (LML-RT) produces greater longitudinal hypertrophy (fascicle length increases) and overall muscle size compared to shorter-muscle length resistance training (SML-RT).

To maximize muscle growth, especially in terms of muscle length (fascicle length), prioritize exercises that allow you to train at longer muscle lengths (e.g., deep squats, overhead extensions). While shorter-range training can build muscle, training through a fuller or lengthened range of motion appears to offer a superior hypertrophic advantage, particularly for longitudinal growth.

Combining pharmacotherapy with lifestyle interventions (diet/exercise) or bariatric surgery yields superior weight loss and maintenance compared to either intervention alone.

For the best long-term results, do not rely on medication or diet/exercise alone. Use medication to help manage hunger while you establish sustainable diet and exercise habits. This combination is proven to help you keep the weight off after you stop the medication.

Primary Obesity Surgery Endoluminal (POSE) 2.0 and Endomina Gastric Plication are effective endoscopic gastric remodeling techniques that produce significant weight loss and metabolic improvements, though with varying efficacy profiles compared to ESG.

POSE 2.0 and Endomina are endoscopic options that use full-thickness plications to reduce stomach size. They are effective for weight loss and metabolic improvement, though ESG may offer higher weight loss percentages in some studies. They are suitable for patients seeking minimally invasive alternatives to surgery.

In individuals with pre-diabetes or metabolic syndrome, incorporating meal replacements into a weight loss intervention yields small, clinically important reductions in body weight, BMI, LDL-c, non-HDL-c, and systolic blood pressure compared to conventional food-based diets.

If you have pre-diabetes or metabolic syndrome, using meal replacements for 1-2 meals a day as part of a calorie-restricted diet will help you lose more weight and improve your cholesterol and blood pressure than just eating a standard healthy diet. Aim for replacements to make up about 28% of your daily calories. This is a short-term tool to jumpstart your health before transitioning to regular food.

Ten weeks of high-intensity interval training (HIIT) partially restores muscle proteostasis in obese, insulin-resistant men by increasing the turnover rates of specific proteins, although it does not fully mitigate indicators of poor proteome health.

If you have obesity and insulin resistance, 10 weeks of HIIT (3x/week, cycling at max effort for 1-minute intervals) can significantly improve the turnover and abundance of key muscle proteins. While this doesn't erase all metabolic risks or fully normalize your muscle proteome, it does partially restore a critical aspect of muscle health (proteostasis) that is typically compromised in obesity.

Gut microbiota composition and metabolites play a critical role in the crosstalk between dietary patterns and cardiometabolic health, suggesting personalized dietary strategies based on microbiota profiles.

While general healthy dietary patterns are beneficial, individual responses vary. Future personalized nutrition strategies may involve testing gut microbiota to tailor dietary patterns for optimal cardiometabolic health.