Benign cysts in your ear, called cholesteatomas, may not cause cancer. But they can affect your hearing, balance, and more. WebMD tells you how to spot them and how they're treated.

Dear Running Doc: I run 25 miles a week and all of a sudden I developed pain on the medial joint line of my knee; no injury. As a 30-year-old female, running is a big part of my life, so I went to … ...