Why do our cheeks turn red when it’s cold outside, and is it something we should be working to prevent in order to protect our skin? We asked an expert to break it down. Justin Boone's Early Top 50 ...

Fifth disease is a common childhood illness, usually seen in kids aged 4 to 10, but it can happen in babies. It's caused by a virus called parvovirus B19, and the signature symptom is a red "slapped ...