We could also provide incentives for people to stay inside and play around with their phones, that will encourage less drinking. Also, it seems like, when people get together, they often drink, so maybe we could make assembling in large groups illegal.
Finally, I've read that breathing exercises like left nostril breathing can induce altered states similar to drunkenness, and also that taking OTC pills like sleeping pills can cause inebriation. We should ban all psychoactive OTC pills and keep a close eye on people doing yoga.