7 Drugs That Don't Exist Anymore

Ever wonder what happened to the drugs of yesteryear? Even the most mind-altering substances don't always stick around.

Not only do prescriptions get taken off the market, certain recreational drugs seem to drop off the face of the planet once their hey-day has come and gone. Usually, their dangerous side effects are to blame for their demise.

These popular drugs in history may have fallen off the radar, but they're not completely forgotten. Read more...