Late actor-comedian Robin Williams' widow Susan Schneider says he was suffering from Lewy Body Dementia (LBD) before his death.


Susan Schneider and Robin Williams

Schneider believes Williams committed suicide in August 2014 as a result of the debilitating brain disease, which is the second most common neurodegenerative dementia after Alzheimer's and causes heightened levels of anxiety, delusions and impaired movement, reports a website.