When Linda Mullenhour enters the pool, she takes control. All eight members of her class mimic her every move, listening to her verbal commands. “One, two, three, four,” she says, “and we’re going ...

The big drop-off: Up to 70% of patients stop their home exercise programs early, often due to forgetting, lack of time, or low motivation. Simple beats complex: Studies show patients given fewer, ...

Both my parents have been athletes all their lives. Their combined track record includes hockey team captaincy, multi-day cycle treks and regular triathlons. My mother, in particular, is still raking ...