1. Health

Your suggestion is on its way!

An email with a link to:

http://sportsmedicine.about.com/library/quiz/bl_poll2.htm

was emailed to:

Thanks for sharing About.com with others!

Most Emailed Articles

Worst Ways To Handle Conflict

The growing body of evidence indicates that prolonged intensive exercise is associated with altered immune function and an increased risk of upper respiratory track infections. Several research studies have found that heavy endurance exercise may suppress the immune system for a short period of time and increase the risk of contracting a variety of viruses and bacteria.

What has been your experience?


Have You Ever Gotten Sick After An Intense Endurance Event?

You can opt-out at any time. Please refer to our privacy policy for contact information.

©2014 About.com. All rights reserved.

We comply with the HONcode standard
for trustworthy health
information: verify here.