Longevity

Four areas the ultrarunning champion is focused on as she moves further into the master ranks, plus expert advice on how to build your longevity in the sport.

It can give you a longer life, better sleep, improved immunity, mood, and more—and yes, it's even good for your knees and lower back.

Experienced runners weigh in on how to find longevity in the sport.

One doctor shares four simple things that you can do at any age to live healthier.