For your parents-

New Light On The Composition Of The Brain Of Moderate Cannabis Users
ScienceDaily: Imaging Technique Sheds New Light On The Composition Of The Brain Of Moderate Cannabis Users

Current and former marijuana use: preliminary findings of a longitudinal study of effects on IQ Current and former marijuana use: preliminary findings of a longitudinal study of effects on IQ in young adults -- Fried et al. 166 (7): 887 -- Canadian Medical Association Journal

Frequent Cannabis Use Not Associated With Cognitive Declines In Working Memory
cannabisnews.com: NORML's Weekly News Bulletin -- March 9, 2006

Neuropsychological consequences of regular marijuana use: a twin study
CJO - Abstract - Neuropsychological consequences of regular marijuana use: a twin study

Cannabis does not cause permanent brain damage
IACM-Bulletin

Now go to the next post for what I see happening...soon! Granny:hippy: