Did you know that Cassidy, 67, told People magazine earlier this year he was battling dementia?

Did you know that David Cassidy, the '70s heartthrob from the "The Partridge Family," is in critical condition with organ failure?

Jo-Ann Geffen

Did you know that Cassidy is being treated at a Fort Lauderdale, Florida, area hospital, longtime publicist Jo-Ann Geffen told CNN on Saturday?

David Cassidy in 1971

Did you know that Cassidy, 67, told People magazine earlier this year he was battling dementia?

Did you know that "The Partridge Family," a sitcom about a mother and five children who formed a rock 'n' roll band, gave Cassidy a national audience for his music. Cassidy, who played Keith Partridge on the show, captured the spirit of 1970s youth?

David Cassidy in 2009.

Did you know that Cassidy had spoken publicly in recent years about his struggles with alcohol?

Did you know that Cassidy was arrested for driving under the influence on three separate occasions during a four-year span between 2010 and 2014?

Did you know that Cassidy dementia runs in his family, affecting both his grandfather and his mother?

 Now if you didn't know, now you know...



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