The symptoms of multiple sclerosis can easily be confused with a variety of other medical conditions, making it a challenging disease to diagnose.

A stroke is a medical emergency. It can cause lasting brain damage, long-term disability, or even death. During a stroke, every minute counts.

Mutations in certain genes can increase lifetime risk for cancer. Women who inherit a mutation in genes such as BRCA1, BRCA2 and PALB2—either from their mother or father—have a much higher risk of developing breast and other cancers.If you have a personal ...