Young people who smoke cannabis run the risk of a significant and irreversible reduction in their IQ, according to one of the largest studies ever carried out.
[url=http://www.bbc.co.uk/news/health-19372456]More...[/url]
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Young people who smoke cannabis run the risk of a significant and irreversible reduction in their IQ, according to one of the largest studies ever carried out.
[url=http://www.bbc.co.uk/news/health-19372456]More...[/url]