Other than a few drunken episodes, the book of Genesis is pretty tame in the drugs department. Sex and violence, though? That's a different story.
Let's just take a quick look at all the nastiness that goes down in Genesis:
The narrator doesn't go into detail about all this—to be fair, the narrator doesn't really go into detail about anything—but it's still pretty hard to swallow.
P.S. We dare you to find all the euphemisms for sex in Genesis. Hey, what do you expect for a book so full of begats?