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A new study puts to bed the "endurance myth" that a layer of sunscreen will block the body's ability to sweat or dissipate heat during exercise.

30 years of Ironman World Championship data explains how warning signs of low sodium and hyponatremia differ by sex.

Ever hear of brain endurance training? Scientists say it just might be the key to unlocking next-level speed and endurance.

Men may have superior strength, but women last significantly longer when it comes to dynamic muscle exercise.

A controversial researcher says the key to speed and delayed fatigue lies in your brain, not in your lungs.

Researchers discover a kryptonite to triathletes’ super pain-modulating powers.

New research says one might be better than the other.

A recent article revealed that running speed plays an important role in the amount of impact the knee experiences during a run.

Could practicing transition runs prevent injury? A recent study looks at run form off the bike.