More time on the couch—the byproduct of stay-at-home measures—carries its own danger. The “exercise sprint” and other workarounds may save us.
Those who suffer from chronic fatigue syndrome often face years of doubt from their medical providers. But now the physical hallmarks of the disease are coming into focus.
Exercise is usually healthy. But taken to an extreme, can it put the heart in peril?
Regular exercise has long been associated with better brain function, but researchers are only now piecing together how and why that happens.