New research from Australia overturns the old idea that exercise “uses up” heartbeats. It shows that fitter people actually use fewer total heartbeats each day thanks to their lower resting heart ...
Men needed to do roughly nine hours of exercise to see a 30% reduction in their heart disease risk – while women only needed to do around four hours.
Spaceflight rewires the human body. Muscles shrink, bones thin and fluids shift towards the brain – but these changes may ...
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