Wall Street lore is always describing the relationship between bankers and cocaine, but the truth is there's a new drug in town. Adderall is taking its new position as the Street's favorite upper — it's less of a party drug, and more of a 'cope with your job after the party' aid.

So what is Adderall and why does it make people more efficient?

We put together some facts on what this amphetamine (yes, that's what it is) does to your body. Yes, it can help you get through that Excel spreadsheet, but there's a more sinister side to this story. Canada pulled the drug off the shelves in 2005 because it was believed to be the source of 20 deaths over ten years, according to NPR.

So know what you're dealing with.