2007). One mechanism by which parents can protect their children from smoking and other undesired behaviors is to discourage their association with friends who engage in these behaviors ...

They are the first adults in Wales to have never known a smoke-filled bar or club. To have lived their whole lives ...

This is to say that adolescents with friends who smoke are likely to smoke themselves or to take up smoking over time. The reverse is also the case that adolescents without friends who smoke are ...