Topic
What Magnesium Does for Athletes, According to Research
The mineral matters for muscle function. Whether extra capsules make you faster is a different question.
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Sleep
Topic
Sports Psychology Choking: The Brain Science of Choking Under Pressure
Why skilled athletes fall apart in big moments, what arousal does to attention, and the drills researchers and coaches use to hold it together.
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Athletes Caught Cheating: How Endurance Athletes Face Cheating Allegations, and What Happens Next
The testing system, the appeal process, and the long road back — explained without the shouting.
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How Wearables Measure Heart Rate Variability
Watches and rings derive heart rate variability from the pulse wave using photoplethysmography, while chest straps read the heart's electrical signal. Studies show the methods agree at rest, with error bars that widen under strain and noise.
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How to Choose a Fitness Tracker That Actually Fits Your Life
Buy for the number you will act on: heart rate reads close to a chest strap in lab tests, calorie burn does not, and sleep scores work best as weekly trends. Accuracy, features, and comfort decide the right pick.