Should you go all in on walking—or switch up your workouts during the week? A new study compares the longevity benefits of various types of popular exercises.

Experts explain the findings and what to know before switching up your routine.

Eight trainers explain why runners should include walking in their exercise schedules and how to make the habit stick.

A new study finds that people who do a variety of exercises live longer, even if they don’t work out more.