nicotine associated_with regular smoking
Evidence from:
primary |
all sources
Evidence (2 sources)
A population-based twin study of the genetic and environmental relationship of major depression, regular tobacco use and nicotine dependence.
(2011)
PMID:20406522
cited
to account for the contingency of ND on regular tobacco use
confidence: 0.90
A population-based twin study of the genetic and environmental relationship of major depression, regular tobacco use and nicotine dependence.
(2011)
PMID:20406522
cited
For both sexes, the remaining variance is shared mostly with regular cigarette use.
confidence: 0.90