Regular Use of Marijuana in Adolescence Can Cause Permanent, Irreversible IQ Loss
http://gawker.com/5938430/regular-use-of-marijuana-in-adolescence-can-cause-permanent-irreversible-iq-loss
http://gawker.com/5938430/regular-use-of-marijuana-in-adolescence-can-cause-permanent-irreversible-iq-loss