If you'd like a deeper look into this issue across a wider variety of substances, I highly recommend the book "Saying Yes": http://www.amazon.com/Saying-Yes-De

If you'd like a deeper look into this issue across a wider variety of substances, I highly recommend the book "Saying Yes": http://www.amazon.com/Saying-Yes-Defense-Drug-Use/dp/1585422274 http://www.amazon.com/Saying-Yes-Defense-Drug-Use/dp/1585422...