He decided not to undergo actual clinical treatment for his cancer until it was too late, instead relying on new-age stuff to heal himself for the longest time.

He decided not to undergo actual clinical treatment for his cancer until it was too late, instead relying on new-age stuff to heal himself for the longest time. I wouldn't go so far as to call this behavior "full blown sociopath" but it definitely shortened his life. I don't know what the stats are for refusing cancer treatment, but I think they're fairly low.