Instances of people with immense talent who weren t found alive. from belushi to of course prince and the list goes on and on and on going back decades. now this. what is your take? there s a misconception that fame or wealth can serve as a buffer against vulnerability for a mental illness or addiction. it doesn t. psychologists have come up with a hypothesis called a diathesis stress model which sort of explains why certain vulnerabilities emerge. it talks about genetic predisposition combined with any sort of environmental stress and when it reaches the combination, it reaches a certain threshold, then mental illness or addiction can emerge. in this case of demi, she s been vocal about her father having a history of substance abuse.