One of the first American national studies to examine risk factors for use of synthetic marijuana among a large, nationally representative sample of teens. Popular among teens, in 2011, synthetic marijuana was used by more than one out of ten (11.4%) high school seniors in the US, making it the most commonly used drug after real marijuana.
from News -- ScienceDaily http://ift.tt/1DKe83G via Karis World
from News -- ScienceDaily http://ift.tt/1DKe83G via Karis World
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