The Latest
Older Adults Got 17% Stronger in Four Weeks — and It Wasn't the Muscle
Adults averaging 71 got 17.6% stronger in four weeks. Sensor recordings on the shin show the gain came from existing motor neurons firing faster — not from bigger muscles or new units being recruited. The ageing nervous system, it turns out, still learns fast.
Sports & Training
View allWhen Your Immune System Flips the Script on Exercise
Some immune cells that weaken heart control at rest seem to flip roles during exercise. That may explain why people of the same age handle workouts so differently.
Oral Health: The Hidden Edge in Performance
Growing evidence links oral health problems — from gum disease to untreated cavities — to reduced endurance, slower sprint times, and impaired recovery in athletes.
Brain Chemistry and Muscle Burn: How Dopamine and Noradrenaline Shape Fatigue
The chemicals that dictate when your body decides it’s time to quit.
Nutrition
View allWhat Changes in an Endurance Athlete's Heart on a Vegan Diet?
A new study compares 80 endurance athletes on vegan and omnivorous diets. Performance is similar, but their hearts and blood look different.
When Antioxidants Backfire
The free radicals from exercise are not the enemy — they are the adaptation signal, and new ISSN evidence shows high-dose antioxidants can shut it down.
Melatonin: The Recovery Supplement Hiding in Your Medicine Cabinet
A meta-analysis of 19 trials reveals melatonin protects muscles during hard training and boosts endurance capacity — but won't help you on race day.
Wearables & Tech
View allWhat the Shape of Your Heartbeat Reveals About Stress
A machine learning study on military personnel found that the shape and timing of ECG waves predicted anxiety more reliably than HRV alone
First Real-World Cardiac Arrest Detection with a Smartwatch
How a commercial smartwatch for the first time automatically detected an end-of-life cardiac event.
From Fitness Trackers to Clinical Tools: The Future of Wearable Healthcare
Can smartwatches solve the exploding healthcare problem?