In wintertime, it can feel as if everyone is sick. From passengers coughing and sneezing on the bus to kids in daycare surrounded by multiple illnesses, the so-called common cold is a virus easily ...

Imagine a nasal spray that could stop you from getting sick. Researchers in Maryland are testing an experimental treatment designed to block common respiratory viruses – from colds, the flu and even ...

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, ...

Respiratory virus season is officially here in the U.S., making it a prime time to catch a cold. And because the average adult gets two or three colds a year, you could be dealing with an onslaught of ...

Washing your hands is often touted as one of the easiest and most effective ways to maintain your health. But beyond being a routine part of personal hygiene, handwashing plays a vital role in ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Does vitamin C help prevent a cold? And can taking antibiotics help you get over one? Doctors address common myths. (Getty Images) ...