Imagine a nasal spray that could stop you from getting sick. Researchers in Maryland are testing an experimental treatment ...

If you get sick with a cold during the summer, it might catch you by surprise. It turns out those rays of sunshine can’t protect you from the pesky viruses that cause the common cold. And while it’s ...

Echinacea shows more consistent evidence for preventing colds compared to elderberry. While elderberry may modestly reduce the severity or duration of colds in some people, there is no evidence to ...

Vitamin D has become one of America’s most beloved supplements, second only to multivitamins in popularity. Many people faithfully take their daily dose, especially during cold and flu season, ...