Here's What Crack Actually Does To Your Brain

You know Toronto Mayor Rob Ford smoked crack. But scientifically, do you know what crack does to the brain, and how its side effects manifest? Here's AsapSCIENCE with a quick and dirty rundown on how crack works and its side effects, including the gross, gross, gross delusional parasitosis, which I thought was specific to meth, but which is just damn gross.