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WHO on Marijuana
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See also:
See also: Cannabis in Japan (main index)
See also: Hemp as a "drug", Alcohol, Nicotine (Tobacco)
See also: Drug risks: How dangerous are the most common drugs?
See also: Index of WHO report.

WHO Project on Health Implications of Cannabis Use:

A Comparative Appraisal of the Health and Psychological
Consequences of Alcohol, Cannabis, Nicotine and Opiate Use

Table 2:

Types of problems reported in the past 12 months by
current users age 18 to 34 (Ontario 1992)

[IN THE PAST 12 MONTHS]
Was there ever a time that your use of ____ had a harmful effect on your ...?		 ALCOHOL TOBACCO CANNABIS
Total Frequency 5+ Total Cigs/day Total Frequency of use
0 - 11 12+ times in year 0 - 11 11+ less than monthly 1+ times per month
Total N 338 255 77 126 44 82 42 19 24
Friendship or social life 5 3 11 18 20 17 7 - 12
Physical health 10 4 21 58 60 56 11 1 20
Home life or marriage 4 1 9 10 8 10 11 2 18
Work, studies or employment opportunities 4 1 8 7 8 6 7 - 12
Financial situation 6 3 12 43 26 52 14 - 24
One or more 17 9 35 69 63 72 28 4 47
Two or more 6 2 18 39 26 47 8 - 14



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