Chills are often caused by a fever due to infection, but they can also occur as a result of low blood sugar or anxiety. Here's what you need to know.

Goosebumps are “associated with changes in your skin temperature,” says McPhetres. These changes aren’t major, but McPhetres ...

The human body is full of 'left overs' that don't seem to serve any useful purpose, and one of those vestigial parts is ...