DEAR MAYO CLINIC: Ever since I had my son, I tend to worry whenever he gets ill, so I try to educate myself on different viruses and autoimmune disorders. I recently came across encephalitis. What is ...

Despite its impending closure, Mayo Clinic St. Peter didn’t have the look of a dying primary care clinic last Friday. A steady stream of patients walked in and used the automated kiosks to check in.

While it wasn't clear whether Keaton had any underlying conditions, doctors say "perfectly healthy" people can die from ...