health

Latest Stories

General Health

What Hard Running Actually Does to Your Cortisol Levels, According to Doctors

We break down whether your tempo runs and sprint intervals are sending your body's stress response into overdrive.

Danielle ZicklSeptember 21, 2026

General Health

I Got Shingles Training for a Marathon. I'm Not the Only One.

After a brutal case sidelined her own BQ attempt, one runner asked immunologists and infectious disease doctors whether pushing through hard training left her vulnerable—and what other runners should watch for.

Claire TrageserAugust 27, 2026

Training

8 Reasons You Can’t Pass the Talk Test on Easy Runs—Even When You’re Running Slow AF

Plus expert-backed ways to help you adjust your workout.

Jennie HansenJuly 21, 2026

Training

5 Cool Changes Your Body Makes When Adapting to Running in the Heat

Plus, how to adjust your training to make it feel easier.

Richard A. LovettMay 19, 2026

Injuries and Prevention

A Timeline of What Happens to Your Body When You Stop Running for a Few Days to Months

It's not unreasonable to worry about losing fitness when you take time off running. Here's a timeline of what happens to your body.

Richard A. LovettDecember 4, 2025

General Health

Bendy Limbs, Painful Joints—Running With Hypermobility Is Possible, With Adaptations

When running throws your body out of whack, how do you keep training? For two runners with hypermobile Ehlers-Danlos Syndrome, the answer was finding creative ways to keep doing the thing they love most.

Lisa Jhung, Amber SayerDecember 4, 2025

General Health

Prevent Perma-Stink, Banish Bottle Mold, and Other Hygiene Hacks for Runners

When it comes to taking care of your running apparel, gear, and yourself, best practices aren’t always intuitive. Here are our top tips.

Sierra WintersSeptember 26, 2025

General Health

Feeling Slow? The Answer May Be in Your Blood

It might not just be training fatigue, and a simple test can help you get back to your best.

Richard A. LovettSeptember 11, 2025

Training

How Many Miles Should You Run to Maintain Running Fitness?

Whether you’ve completed your goal race or just need some time away from formal training, a running coach outlines how often you should run to maintain fitness.

Greg McMillanJuly 1, 2025

General Health

Being Fit More Important than Being Thin, Study Finds

Dr. Jeffrey Sankoff discusses why fitness trumps weight loss when it comes to longevity.

Dr. Jeffrey SankoffFebruary 17, 2025

Gear

Does Your Watch Band Contain “Forever Chemicals”?

An enlightening new study revealed just how prevalent the toxic class of PFAS compounds are in smartwatch wristbands. Here’s what runners need to know.

Bethany MavisFebruary 8, 2025

General

What Runners Need to Know About Ozempic and GLP-1 Weight-Loss Drugs

Some athletes are using the prescription drugs to regulate their weight. Here’s why some experts say that’s dangerous.

Claire TrageserJanuary 22, 2025

General Health

This Hidden Variable May Be Costing You a Marathon PR

Even a little air pollution slows runners down, as well as poses long-term health risks, new study shows

Mallory ArnoldJanuary 22, 2025

Running

Women Who Run

Some of our greatest heroes are the powerful women who find ways to excel at both running and life. From health hacks and training tips, to community stories and inspirational profiles, we're bringing you stories to help you live your best life—both on and off the race course.

September 4, 2024

Nutrition & Health

We’re Not S****ing You: Pooping Makes You a Better Racer

A new study gives "crapping out" at a race a whole new meaning

Elaine K. HowleyJuly 10, 2025

General Women's Health

What is Hypothyroidism?

What do runners need to know about this condition?

Malissa RodenburgApril 3, 2023