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4.1 Implications for prevention Given the substantial proportion of participants in the low-risk group and the limited differences between medium- and high-risk groupsaside from sexual activity under SU and prior exposure to psychological or sexual violencethese findings support the implementation of universal prevention interventions targeting adolescent SU in Costa Rica

That is, it is not clear whether vaping causes adverse mental health, or people with mental health issues are more likely to vape

After over three months of use, there are no signs of aggressive wear or really much of anything other than a few small blemishes

Multiple lifestyle and psychosocial confounders are likely under-recognized cofactors in the association between smoking and IBD