Cannabis dependence assessed at age 18 and 21 increased from 6.6% for 18 to 9.6% at 21. unemployment or violent behavior more frequent with cannabis use at 21 years.
Source: Poutton RG, Brooke M, Slarnon WR. Silva PA, Reported in
New Zealand Medical Journal 1997;110:68-70
New Zealand Medical Journal 1997;110:68-70