US Money: Proof of Cocaine Use

US Money: Proof of Cocaine Use

US dollar bill
Testing paper currency from around the world showed that the US is the biggest drug user in the world (or at least among the many countries tested). Chemists Sergio Armenta and Miguel de la Guardia lead the study. Drug dealers usually trade with cash only; therefore, drug residue usually remains on the money touched by drug dealers.
Can you get high licking US paper money? Don't bother; you'll get sick from all the germs paper money holds.