oh, cravN -
it's not so much problems that were the problem, as it were. hitler's strict vegetarianism, low workload (but high stress levels) and chronic ill health all put a strain on his constitution (god i sound like a victorian gp lol) and some of the insane regime of chemical administrations were seen as preventative medicine; or merely as 'boosters' to his immune system, etc. etc. personally i can't see any physical benefits from taking meth & strychnine... there have been historians who suggest that maybe hitler's medical team wanted him dead.