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WHO on Marijuana
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 1:
Summary
of ratings of overall effects of drug use by current users (Percent)
| United
States 1974: Males aged 20 - 30
O'Donnell et al., 1976:79 |
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| RESPONSES | LIFETIME USERS OF: | ||
| ALCOHOL | TOBACCO | MARIJUANA
OR HASHISH |
|
| Total N | (2434) | (2211) | (1382) |
| "Very good" or "more good than bad" | 33 | 12 | 45 |
| No effect | 21 | 22 | 22 |
| "More bad than good" or "very bad" | 46 | 66 | 33 |
| Ontario
1994: Both sexes aged 18 - 34
Bondy, 1994 |
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| RESPONSES | CURRENT USERS OF: | ||
| ALCOHOL | TOBACCO | MARIJUANA
OR HASHISH |
|
| Total | (601) | (256) | (121) |
| More good than harm | 19 | 3 | 29 |
| Harm and good about equal | 70 | 7 | 59 |
| More harm than good | 11 | 50 | 12 |