Prescription drug abuse and pot smoking?

Question by Little Devil!!!: Prescription drug abuse and pot smoking?
I have a step uncle who is 42 yrs old. he has been smoking pot and abusing drugs since he was in his teens. How long can he continue to do this before he has serious health problems??? And how has he been able to do it for so long without any problems?

Best answer:

Answer by txconserv
He already has brain damage. His clock is ticking

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