According to declassified meeting minutes from 1972 and an old article saved by CIA, the Agency’s Office of Medical Services had a drug abuse booth “originally created by CIA doctors for parents who work for the agency” - including a sniffable bag of “pseudo-marijuana.”

The recent announcement by the DEA that marijuana should remain classified a Schedule 1 drug akin to heroin are in keeping with the agency’s long-standing position that pot is a dangerous, addictive substance. But what exactly are these threats that the DEA feels marijuana poses?