Here's a primer on how vitamin E keeps you healthy, how to know if you're getting enough and why you likely don't need to supplement your intake.

Vitamin E benefits: Everything you need to know

a:2:{s:4:"time";d:1493290496;s:6:"author";i:840778;}

Health

What to eat, how to train, and the harsh truth about what can happen to your feet — here’s what you need to not just survive, but crush a 26.2-mile race.

Marathon Training: A Head-To-Toe Guide

Your head-to-toe guide to running a marathon

marathon

A new study looks at how running affects mortality and suggests that for every hour you run, you could be adding seven hours to your life

Benefits of running may include living longer — as many as three years

A convincing new study shows that a running habit can extend your life by as much as three years.

Can running actually make you live longer?

A convincing new study shows that running can extend your life by as much as three years.

a:2:{s:4:"time";d:1493375440;s:6:"author";i:568446;}

running

Fitness

Contributing fitness editor Assata McKenzie shows you three effective exercises for your back.

Back exercises for women: Get strong with these 3 moves

a:2:{s:4:"time";d:1493161105;s:6:"author";i:840778;}

exercise

Whether it's sticking to a schedule or switching up a routine, every Olympian has her own way of getting the job done.

a:2:{s:4:"time";d:1492513677;s:6:"author";i:861677;}

Health

Everything you need to know about vitamin E

Your Head-To-Toe Guide To Running A Marathon

Can running actually make you live longer?

Get strong: 3 moves for your back

The workout secrets of Canada's fittest women