The Numbers Behind Parkinson's Disease

Research shows that dizziness, vertigo and balance problems affect about 15 percent of U.S. adults each year.

Craig Van Dien, M.D., a physical medicine and rehabilitation specialist at JFK Johnson Rehabilitation Institute, says that he frequently sees hand and wrist injuries related to combat sports.

Stroke is the fifth leading cause of death in the U.S., and the leading cause of serious long-term disability. 

Although PCOS and endometriosis both affect female reproduction and can cause infertility, they are distinctly different.