Who is at risk for Lewy body dementia? Age is considered the biggest risk factor for the disease. Most cases have no known trigger, although a handful of gene mutations can predispose someone to LBD.

Lewy body dementia (LBD) affects more than 1 million people in the US. It is also the disease the late actor Robin Williams is believed to have had when he died. Here, Meredith Bock, MD ...