Runners need to take extra precautions to stay sniffle- and fever-free during cold and flu season. Here's how to stay healthy. By Bob Cooper

PUBLISHED 10/27/2004

When David Nieman, Ph.D., taught a running class at a small California college 25 years ago, he wasn't surprised that several students caught colds and the flu after their final exam, which was running a marathon. After all, the same thing had been happening to him--usually sore throats that struck after marathons or long runs, especially in the winter and spring.