Links[1] http://www.huffingtonpost.co.uk/2014/06/05/smoking-cannabis-health-fertility-sperm_n_5445668.html?utm_hp_ref=email_share [2] http://rethinkpot.org/tags/health [3] http://rethinkpot.org/tags/men [4] http://rethinkpot.org/tags/research