Nothing to do with drugs or alcohol. Between playing pro football and wrestling, head injuries and concussions are the cause.
Ummmm he was in rehab twice, so I’d say it has something to do with the latter. Head injuries are no joke, but lets not play dumb here.
In his book, Bret went into details about Jim's drug habit and his hard partying lifestyle.Bret also said he was a natural born powerhouse too.