Bertha Madras is a professor of psychobiology at McLean Hospital and Harvard Medical School, with a research focus on how drugs affect the brain. She is former deputy director for demand reduction in the White House Office of National Drug Control Policy.
Data from 2015 indicate that 30 percent of current cannabis users harbor a use disorder — more Americans are dependent on cannabis than on any other illicit drug. Yet marijuana advocates have relentlessly pressured the federal government to shift marijuana from Schedule I — the most restrictive category of drug — to another schedule or to de-schedule it completely. Their rationale? “States have already approved medical marijuana”; “rescheduling will open the floodgates for research”; and “many people claim that marijuana alone alleviates their symptoms.”
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