Fitness & training

2 cards. Each one is a 40-second story with a five-minute read behind it.

1. The beep test might be a more precise health predictor than VO2 peakWhile many athletes use uphill treadmill tests to measure aerobic capacity, a simple shuttle run might offer a more nuanced look at internal health. New research suggests that per…
2. Your muscles communicate with your organs through a secret language of proteinsWhen you exercise, your muscles do more than just burn fuel. They act as an endocrine organ, secreting signaling molecules called exerkines that travel through your bloodstream to…

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