Your mom used to warn you about going outside and “catching your death,” but is it true that cold weather can make you sick?

Black mucus is rare. It can be the sign of a fungal infection, or exposure to pollutants such as coal, dust or cigarette ...

"Put on your coat so you don’t catch a cold,” Mom always said. Could skipping the warm layers on icy winter days really leave you sneezing and sick?

If you have a cold, the foods and drinks you consume can impact how long the sickness lasts and the severity of your symptoms. Here’s what to eat and what to avoid.