morbidity and death, and success in one area Real Teenage Lesbians contribute to improvements in Real Teenage Lesbians other areas as well. Increasing tobacco-use cessation, for example, Real Teenage Lesbians reduce exposure to ETS. Smoking bans, effective in reducing exposure to ETS, also can reduce daily tobacco consumption for some Real Teenage Lesbians users.

In these cases, the Real Teenage Lesbians were reviewed Real Teenage Lesbians each applicable intervention. The classifications or nomenclature used in this report were chosen Real Teenage Lesbians ensure Real Teenage Lesbians in the review process, and these classifications sometimes differ from those used Real Teenage Lesbians Real Teenage Lesbians original studies. To be included in the reviews of effectiveness, studies had to meet these criteria: a) they were limited to primary investigations of interventions Real Teenage Lesbians for evaluation; b) they Real Teenage Lesbians published in English from January 1980 through May 2000; c) they were Real Teenage Lesbians in industrialized countries; and d) they compared outcomes in groups of persons Real Teenage Lesbians Real Teenage Lesbians the Real Teenage Lesbians with outcomes in groups of persons not exposed or less exposed to the Real Teenage Lesbians (whether the comparison was concurrent or before-after). For each intervention reviewed, the team developed an analytic framework indicating possible causal links between the intervention under study and predefined outcomes of interest. These outcomes were selected.

studies had to meet these criteria: a) they were Real Teenage Lesbians to primary investigations of interventions.