Robin Williams' suicide left fans around the world scrambling for answers: why would such a kind-hearted, good-humored man choose this?
When the news of his Parkinson's diagnosis broke, many thought they had found the answer. But that's only part of the story.
According to those closest to him, the new disease and accompanying trials did impact Robin, "exacerbating" his fragile mental state.
And the medications he was taking to treat the Parkinson's kept him down a bit more than usual.
But sadly, sources close to the family want to point out