I cannot confirm this is legit, but it#s certainly interesting if it is:

http://www.good.is/posts/black-and-a...es-of-drug-use

A study published today in the Archives of General Psychiatry says that black and Asian teens are less likely to use drugs and alcohol than white people their age. In a survey of more than 72,000 young people conducted by Dan Blazer, a psychiatry professor at Duke Medical Center, 39 percent of white teens and 37 percent of Latinos reported having abused substances in the past year, compared to 32 percent of blacks and 24 percent of Asians. When it came to drugs alone, 20 percent of whites, 19 percent of blacks, and 12 percent of Asians reported using.
coupled with

Juvenile Arrest Rate Trends
Drug abuse violation arrest rates were equal for white juveniles and black juveniles in 1980.
Juvenile Arrest Rates for Drug Abuse Violations by Race, 1980-2009


makes the whole war on drugs look more like a race war that replaced segregation nation-wide than like actual policing.