Prescription Drug Use Drops Among U.S. Adults; Marijuana Remains Most Popular

Although overall drug use in the U.S. has declined slightly, the rate of marijuana use increased to 7% from 5.8%. The number of users increased to 18.1 million from 14.5 million, according to a national survey. There was also a decline in prescription drug use among persons ages 18 to 25, which reflects 300,000 fewer young adults than 2010.