As much as Philly loves the start of football season, fall also signals the return of something far less exciting: cold and flu season. It usually begins in October and can last through May. The best ...

There’s nothing worse than a winter bug to derail your triathlon training. Luckily, Renee McGregor has these top 6 ...

Imagine you are eating takeout, and suddenly you feel like you are getting breathless and it’s getting difficult for you to swallow the food. You also feel itchiness in several parts of your body.

A key aspect of your immune system is to distinguish “self” from “nonself ” so it can destroy and remove foreign materials from your body. While this immune reaction protects you from viruses, it also ...