In the U.S, use of illicit drugs has greatly reduced among the teenagers, between 2001 and 2007. United States is one of the biggest markets for illicit drugs, U.N. said.

At the same time, prescription drug abuse has raised to greater extend, Narcotics Control Board of U.N. reported

This is the most positive aspect that illicit drug use, among teenagers, has reduced 24 percent in the previous eight years, Melvyn Levitsky said.

According to a government survey, there are still 20 million teenagers who are considered to be the user of illicit drug, in America.

The reduction has particularly seen in the 12 to 17 years old youngsters. However, the decrease has been seen in the use of all drugs.

Except pain killer, the decrease among all drugs has also been noticed in the youngsters aged 18 to 25. Prescription drugs, after the cannabis, are now generally abused substance.

The unnecessary use of pain killer drugs by adults has risen from 4.1 to 4.6 percent in the last five years.

“In spite of this considerable decline, the drug abuse among U.S. teenager students is almost 47 percent. They used to tried illegal drugs when they leave secondary school,” the INCB said.

With respect to available data, in 2000, American spent $64 billion on the illegal drugs and the health care expenditure and lost productivity estimation was round #181 billion.