It’s an image much beloved of Hollywood directors: the head lowered over a mirror, a crisp greenback tightly rolled and inserted in a nostril, then applied at the other end to a line of white powder.
Researchers from the American Chemical Society in Washington have discovered that the practice of consuming cocaine through rolled up paper money is far more than just a cinematic cliché. They found that in big cities in the US, up to 90% of the notes tested positive for traces of the drug.
