CNN wellness expert Dr. Leana Wen suggests what to do to reduce your risk of catching respiratory viruses this winter and how to treat them if you’re sick.

With flu season in town again, people are looking for effective treatments. But not all of these treatments are safe.

Norovirus and the stomach flu aren't the same thing. Here's what doctors wish patients knew, from the American Medical ...

Probiotics may help with many health conditions. Although they're generally safe, it's important to talk with your doctor ...

"This type of prevention can be very useful in controlling infection outbreaks and containing the bird flu pandemic," said an immunologist.