A new study shows that 20 minutes of cardio can trigger memory-linked brain waves in the hippocampus, offering the first direct evidence of this effect in humans.

Fitness programs can be built around just about anything. CrossFit is based on the philosophy that constantly varied movements performed with moderate intensity improve physical competence. Yoga is ...

Named the top fitness trend for 2018, HIIT involves going hard for, say, 30 seconds, then easy, hard, then easy, and so on—as ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. So where should you ...

Valley Health geriatrician advises seniors on how to maintain quality of life. She says the secret is walking.

A single session of high-intensity exercise can disturb the body's main stress hormone, leading to less activity after the workout, a lower body temperature, and weight gain, a new study of mice finds ...