Heavy Marijuana Use Doesnt Damage Brain
http://my.webmd.com/content/article/70/80972.htm
Marijuana Smoking Doesnt Kill
http://my.webmd.com/content/article/74/89068.htm
Marijuana Unlikely to Cause Head, Neck, or Lung Cancer
http://my.webmd.com/content/article/23/1728_57309
Medical Marijuana Slowly Gains Ground
http://my.webmd.com/content/article/74/89068.htm
Also, studies have shown it doesnt effect driving either. Marijuana has minor temporary effects on short-term memory for daily users. These effects tend to cease 5-14 days after ending use.
http://my.webmd.com/content/article/70/80972.htm
Marijuana Smoking Doesnt Kill
http://my.webmd.com/content/article/74/89068.htm
Marijuana Unlikely to Cause Head, Neck, or Lung Cancer
http://my.webmd.com/content/article/23/1728_57309
Medical Marijuana Slowly Gains Ground
http://my.webmd.com/content/article/74/89068.htm
Also, studies have shown it doesnt effect driving either. Marijuana has minor temporary effects on short-term memory for daily users. These effects tend to cease 5-14 days after ending use.