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In the winter of 1972, 20 young women took part in one of the weirdest scientific experiments in this country’s history.
For 98 days in a downtown Toronto hospital, their brains, hearts, kidneys, livers, blood and urine were rigorously tested and analyzed.  A team of nurses kept round-the-clock records of their behaviour, logged at half-hour intervals.
Just how was marijuana affecting the 10 who had to smoke it every day?
Forty-one years later, these women are still wondering what exactly happened to them during their three-month stretch as human guinea pigs.
 
Full Article:
http://www.cannabisnews.org/weird-1972-experiment-in-marijuana-use/2013/04/15/