In light of singer David Cassidy's revelation that he has dementia, as well as several performance videos of Cassidy that show startling behavior, we talked with an expert about symptoms and treatment of the neurological disorder. Cassidy was a teen idol who starred on "The Partridge Family" in the 1970's. He says dementia runs in his family.
CLICK PLAY NOW to hear more from Theresa Bayman, Program Director for the Alzheimer's Association Coastal Service.
David Cassidy once had a bigger fan club than Elvis & the Beatles. If you're a fan, now is a great time to send him your love & best wishes.— Danny Bonaduce (@TheDoochMan) February 21, 2017