Why are drugs illegal?

Because drugs make you stupid. Imagine if everyone could just have drugs anytime getting high and eventually, getting stupid. those people are gonna make stupid decisions when it comes to politics. *AHEM* ppl who voted for bush*AHEM*. But don't worry, it's not like weed kills brain cells or anything. Before I get anymore critism, I'm answering on the POV of a teenager. Wanna legalize drugs?? Yay let's go get high to celebrate