Drug abuse among U.S. teenagers drops: U.N.

"In the United States, the world's largest market for illicit drugs, the number of teenagers abusing them fell between 2001 and 2007, the United Nations said on Thursday."

"The positive aspect," said Melvyn Levitsky, an INCB member and former U.S. diplomat, was that among American teenagers "it seems that drug abuse has gone down 24 percent in the last eight years."

"There are an estimated 19.9 million Americans aged 12 years or older who are considered current illicit drug users, according to a 2007 U.S. government survey."

"The INCB report said the drop in drug use among people aged 12-17 "is mostly attributed to a decrease in the abuse of cannabis; however there has also been a decrease in the abuse of almost all other drugs."

"Among young adults, aged 18-25 years, abuse fell in all drug categories except pain relievers, it said."

"After cannabis, prescription drugs are the most commonly abused substances."

"The report said the non-medical use of prescription pain relievers in the last month by young adults rose from 4.1 percent in 2002 to 4.6 percent in 2007."

"According to the latest available data from the White House's Office of National Drug Control Policy, Americans spent $64 billion on illicit drugs in 2000."

"An estimate from 2002 on the cost of drug abuse to the U.S. economy in lost productivity and health care was $181 billion."