Sapa/AFP/Times, 09/06/2012
A survey by UNIFESP’s National Institute of Science and Technology for Public Policy on Alcohol and Other Drugs found that four percent of Brazil’s adult population, nearly six million people, have experimented with cocaine or its derivatives in their lives.
Among adolescents, the percentage reached three percent or 442,000 youths.
Over the past year, 2.6 million adults and 244,000 adolescents said they used the drugs.



does anyone know the references for this article?