From NBC News:
Former teen heartthrob David Cassidy has revealed that he is suffering from dementia and has quit performing.
The onetime star of "The Partridge Family" spoke to People magazine about his health following a weekend concert in California during which he reportedly struggled to remember the lyrics to songs he has been singing for 50 years. The 66-year-old also appeared to fall off the stage at one point.
Full story from People Magazine HERE