For older adults, exercising at a particular intensity improves their memory by strengthening their hippocampal function.  | ...

The debate about how hard to push during exercise has persisted for decades, with fitness approaches swinging between high-intensity interval training and gentler, steady-state activities. However, ...

Emerging evidence suggests that higher-intensity exercise doesn’t harm healthy pregnancies—and may protect against conditions like gestational diabetes and preeclampsia.

It’s a type of high-intensity interval training workout created by Japanese scientist Izumi Tabata. Like other forms of HIIT, it involves periods of exercising intensely with an elevated heart rate, ...

Panic attacks can lead to an intense fear that one’s body is experiencing a medical emergency, says Jaclyn Weisman, an ...

A new study from Dartmouth College sheds light on how easy to moderate aerobic exercise affects the human mind differently than high-intensity workouts over a full calendar year. This ...

Fitness intensity can be one of the most subjective areas of working out. From “rate of perceived exertion” (or RPE) to the famous “runner’s high” or getting “in the zone,” these metrics can, at best, ...