tobacco use protective_against cannabis use
Evidence from:
primary |
all sources
Evidence (1 sources)
Toward a global view of alcohol, tobacco, cannabis, and cocaine use: findings from the WHO World Mental Health Surveys.
(2008)
PMID:18597549
cited
Seven of nine interactions were <1.0 in predicting tobacco use; comparable counts were 13 of 15 interactions in predicting use of cannabis.
confidence: 0.84