Severe cases of sleeping pill withdrawal can produce death.
Once an Ecstasy user takes the drug, it takes only about 15 minutes for the drug to enter the bloodstream and reach the brain.
Selling 50 or more grams of crack cocaine may result in a life sentence in the U.S.
The number of Americans receiving specialty treatment for a problem with nonmedical pain reliever use more than doubled between 2002 and 2010, from 199,000 to over 400,000.