Mortality in young drug users in Gothenburg, Sweden was investigated in a follow-up study in 2 unselected groups & groups of selected abusers from government agency files. The mortality rate was significantly increased in the selected groups, 2.4 – 6.9 times for males & 1.3 – 7.9 times for females. The proportion of unnatural deaths was over 90%; about half the deaths were suicides & undetermined suicides. Other significant findings are discussed. 27 ref.