There does seem to be a link between pot smoking and man *advertiser censored* - see this article from CNN [video]http://www.cnn.com/2013/12/05/health/youn-pot-moobs/index.html[/video]
They are also caused by some anti-depressants used by children (as well documented in studies of Risperdal), which is probably more likely.
My nephew's breast was definitely enlarged due to his daily consumption at the time
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