We use technologies that provide information about your interactions with this site to others for functionality, analytics, targeted advertising, and other uses.
Learn more in our Privacy Notice.
Search
Newsletter
Runner's World+
Subscribe
My Bookmarks
Amazing Runner's World Show
Training
Amazing Runners World Show
A Part of Hearst Digital Media
Running Gear
Beginner
Advanced
Tools
Amazing Runners World Show
News
Runners' Stories
Trail Running
Follow
Other Editions
Your Privacy Choices
Skip to Content
Shoes & Gear
Training
Health & Injuries
Beginners
Marathon Training
Member Perks
Subscribe
sign in
Search
Maggie Puniewska
6 Things Your Mucus Says About Your Health
Take a peek in your tissue to see what’s up if you’re feeling a little off.
A Part of Hearst Digital Media