Addictions of the religiously conservative

For a socially conservative religion, it sure sometimes seems that Muslims have quite the problem with drug addiction.   Although, to be a little bit fair when I don't really want to be, I suppose you could have said the same thing about Catholic Ireland's reputation for overindulging in alcohol.  Which leads me to this extract from a paper talking about the Irish and their reputation for heavy drinking:

Mind you, I should be targetting the Scots instead, perhaps - look at this per capita consumption of spirits table from the same paper:

Gosh.