The Journal

muscle man with weights and food in background

How nutrition timing affects muscle growth and ...

The anabolic window for muscle protein synthesis actually lasts 48 hours, not 30 minutes.

How nutrition timing affects muscle growth and training results

The anabolic window for muscle protein synthesis actually lasts 48 hours, not 30 minutes.

Dynamic figure brisk walking with motion gradient from blue to magenta on a minimalist navy-teal background, glowing vitality.

Want to reduce your mortality risk? New science...

Short bursts of fast-paced walking delivered benefits more efficiently than hours of casual strolling.

Want to reduce your mortality risk? New science says start taking brisk walks

Short bursts of fast-paced walking delivered benefits more efficiently than hours of casual strolling.

3 nba athletes

6 longevity strategies elite NBA veterans use t...

These principles work with your body's natural rhythms rather than against them.

6 longevity strategies elite NBA veterans use to maintain peak performance

These principles work with your body's natural rhythms rather than against them.

tall staircase with blue sky in background

Science says take this many steps weekly if you...

Benefits appeared even when participants hit the threshold just once or twice weekly.

Science says take this many steps weekly if you want to slash your mortality risk

Benefits appeared even when participants hit the threshold just once or twice weekly.

Silhouette of a muscular figure in mid-motion against an indigo-black gradient, surrounded by golden lines symbolizing gravitational force.

How gravity impacts your mental and physical he...

Your gut's suspension system can literally sag under gravitational force, triggering digestive issues.

How gravity impacts your mental and physical health—and how you can feel a little lighter

Your gut's suspension system can literally sag under gravitational force, triggering digestive issues.

two sprinters racing

6 nootropics that boost cognitive performance f...

Mental stamina and reaction times can determine victory when physical abilities reach their ceiling.

6 nootropics that boost cognitive performance for competitive athletes

Mental stamina and reaction times can determine victory when physical abilities reach their ceiling.

Powerlifter doing deadlift on black background

Elite athletes say do these 6 things to build p...

Research shows strong support networks regulate stress hormones better than individual coping alone.

Elite athletes say do these 6 things to build psychological resilience

Research shows strong support networks regulate stress hormones better than individual coping alone.

Jude Bellingham with color blocks obscuring face

Jude Bellingham reveals why limiting social med...

Even positive comments created psychological dependency that undermined his internal confidence.

Jude Bellingham reveals why limiting social media use boosts athletic performance

Even positive comments created psychological dependency that undermined his internal confidence.

flexing bicep on blue background

Science-backed ways to measure and improve your...

Your muscles produce powerful signaling molecules that may reduce inflammation and support immune function.

Science-backed ways to measure and improve your 'musclespan'

Your muscles produce powerful signaling molecules that may reduce inflammation and support immune function.

Polar Loop fitness tracker on purple background

Polar's Loop fitness tracker ditches subscripti...

Whoop users spend nearly $1,000 over three years while Loop owners pay once.

Polar's Loop fitness tracker ditches subscriptions for $200 one-time fee

Whoop users spend nearly $1,000 over three years while Loop owners pay once.

Elite endurance athletes use these 5 supplements to maintain peak performance

Elite endurance athletes use these 5 supplement...

Strategic timing and compound combinations separate champions from competitors in evidence-based endurance nutrition.

Elite endurance athletes use these 5 supplements to maintain peak performance

Strategic timing and compound combinations separate champions from competitors in evidence-based endurance nutrition.

Whoop adds blood testing to track biomarkers alongside daily metrics

Whoop adds blood testing to track biomarkers al...

Quest Diagnostics partnership brings professional lab testing directly into your fitness tracker ecosystem.

Whoop adds blood testing to track biomarkers alongside daily metrics

Quest Diagnostics partnership brings professional lab testing directly into your fitness tracker ecosystem.

Runner in mid-stride with illuminated brain and neural pathways, dynamic lighting highlights brain-body connection for mental wellness.

5 ways cardio exercise boosts mental wellness a...

Exercise serves as controlled stress training that builds resilience for real-world challenges.

5 ways cardio exercise boosts mental wellness and cognitive function

Exercise serves as controlled stress training that builds resilience for real-world challenges.

Neon silhouettes perform key exercises in hexagons; motion blur and muscle highlights enhance a premium sports design.

These 6 exercises are essential for lifelong mo...

Training through all three planes of motion prevents imbalances that compromise long-term mobility.

These 6 exercises are essential for lifelong mobility and strength

Training through all three planes of motion prevents imbalances that compromise long-term mobility.

Soccer player performs header; translucent skull reveals blue-gold brain tracts; impact area focused with shadowed face and neural patterns.

Soccer headers linked to memory loss and cognit...

Brain damage occurred without concussions, suggesting cumulative impacts silently alter cognitive infrastructure.

Soccer headers linked to memory loss and cognitive decline, study finds

Brain damage occurred without concussions, suggesting cumulative impacts silently alter cognitive infrastructure.

translucent purple brain next to clock

Slow cognitive decline with these 5 evidence-ba...

From creatine supplementation to Zone 2 cardio, evidence-based approaches target brain aging mechanisms.

Slow cognitive decline with these 5 evidence-based strategies

From creatine supplementation to Zone 2 cardio, evidence-based approaches target brain aging mechanisms.

illustration of runner

New study links cardio fitness to sharper memory

Higher VO2 max scores correlated with better word recall in adults aged 60-81.

New study links cardio fitness to sharper memory

Higher VO2 max scores correlated with better word recall in adults aged 60-81.

These 6 mental health conditions can double your heart disease risk

These 6 mental health conditions can double you...

Depression and PTSD trigger stress responses that chronically activate cardiovascular systems.

These 6 mental health conditions can double your heart disease risk

Depression and PTSD trigger stress responses that chronically activate cardiovascular systems.

Smartwatch line art showing heart rate and sleep data, illustrating AI use in detecting mental health changes through wearables.

This new AI-powered wearable may detect early s...

Heart rate variability and sleep patterns reveal stress before you feel overwhelmed.

This new AI-powered wearable may detect early symptoms of poor mental health

Heart rate variability and sleep patterns reveal stress before you feel overwhelmed.

Isometric illustration of a thermometer with a granola bar, chocolate milk, and water bottle, symbolizing exercise nutrition.

Why hot weather workouts can trigger dangerous ...

Even non-diabetic athletes can experience dangerous glucose drops when combining physical activity with high temperatures.

Why hot weather workouts can trigger dangerous blood sugar crashes

Even non-diabetic athletes can experience dangerous glucose drops when combining physical activity with high temperatures.

Minimalist line art of liver and brain connected by filtering system, illustrating the link between liver disease and brain symptoms.

What your state of mind might be telling you ab...

Early recognition of these cognitive warning signs could be life-saving for those with compromised liver function.

What your state of mind might be telling you about your liver health

Early recognition of these cognitive warning signs could be life-saving for those with compromised liver function.