Background It is well-established that smoking and depression are associated in adolescents,
but the temporal ordering of the association is subject to debate. Methods Longitudinal …

Objectives The number of quit attempts it takes a smoker to quit successfully is a commonly
reported figure among smoking cessation programmes, but previous estimates have been …

Background: Young adulthood has been shown to be a time of increased substance use.
Yet, not enough is known about which factors contribute to initiation and progression of …

… Fitzgerald K, Chan-Green M. Government looking at banning most flavours of vape liquid, …
Zare S, Nemati M, Zheng Y. A systematic review of consumer preference for e-cigarette …

Background Stressful life events are associated with mood disorders in adults in clinical
settings. Less described in the literature is the association between common life stressors and a …

PURPOSE: The objectives of this study were to assess (1) the longitudinal associations of
past moderate-to-vigorous physical activity (MVPA) and involvement in team sports during …

… “I’m in my house and if I’m not in the lowest corner of my basement my family can hear me
and I don’t want that. So, the pandemic has made it harder to get help in the first place and …

OBJECTIVE: The objective of this study is to examine depressive symptom trajectories
during adolescence as predictors of physical activity (PA) in young adulthood. METHODS: …

The Nicotine Dependence in Teens (NDIT) study is a prospective cohort investigation of 1294
students recruited in 1999–2000 from all grade 7 classes in a convenience sample of 10 …

… “I’d say a lot of times it’s more of a social thing, like if I’m like at a party and somebody has
one like I’ll ask to use it, or if I’m in the car with a bunch of people and somebody has one I’ll …