Marijuana: Good, Bad or Benign?

Both Colorado and Washington states legalized the recreational use of marijuana on November 6th. A recent poll suggests 65% of Canadians support the legalization or decriminalization of pot. While the jury of public opinion seems to be shifting on the issue, a recent study in New Zealand found adolescents who used marijuana at least four days a week lost an average of eight IQ points between the ages of 13 and 38. Just how safe is pot? The Agenda examines the psychological and physical effects of marijuana.

source