Of course it involves genetics. Nearly everything involved in body mechanisms has a genetic predisposition. Just like alcoholics, alcohol abuse tends to have a genetic side to it for some people. It would only be natural that some people would be greater affect by herion than others and more likely to relapse.
Quote Originally Posted by theundeadhero
Smurfers find this out now. 11 years after Kurt dies
Ah well, sucks to be him (he obviously thought so too).