DMT is a drug that you probably know as the "businessman's trip," although its medical name is dimethyltryptamine. Regardless of what you call it though, this recreational drug is a hallucinogen and it's illegal--unless, of course, you're a shaman!

You may have heard of skittling or robotripping, but probably have not heard of DXM? Here, we'll take a look at dextromethorphane (which is the main ingredient in cough medications like Robitussin), and see what it does and how it works.