While research on marijuana has surged in the last 20 years, our understanding of the drug is decades behind that of other substances, like tobacco and alcohol
As we have reported on the science of cannabis in recent weeks, nearly every researcher we spoke to lamented the yawning gap in our understanding of the drug’s effects on our health, the environment, society and much more. So why, given our long history with the drug, are there so many unanswered questions?
Research into cannabis really only started in earnest two decades ago. It picked up steam in the late 1990s and early 2000s, beginning with studies …
H/T: www.newscientist.com
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