From cold-like symptoms to a rash and white spots, here are the symptoms of measles and when you should get medical help.

A head cold, or common cold, is a viral infection of the nose and throat. It is usually a mild illness, and involves symptoms in the head, such as a stuffed, runny nose and watery eyes. According ...

Could common viruses silently influence your brain health? Discover what new research reveals about herpes and dementia.