Heavy marijuana use may cause poor memory and abnormal brain structure, study says

Heavy marijuana use may cause poor memory and abnormal brain structure, study says (via PBS News Hour)

By: News Desk Daily marijuana use has a measurable effect on the brain, a new study finds. Photo by Dean J. Koepfler/Tacoma News Tribune/MCT via Getty Images. Teenagers who smoked marijuana daily for three years performed poorly on memory tasks and…

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    • Tom Wilkinson

      Heavy use of Twinkies by teenagers has the same kind of results. The federal government of the USA classed cannabis incorrectly with serious drugs. The risk of addiction to marijuana is 8% compared with tobacco at 80%, and they should be classified together. The use of words like “probably” in a so-called “scientific study” should tip off any serious reader. Sellers of cigarettes should be jailed.