marijuana smoker lungs vs cigarettes Cannabis smokers more at risk of emphysema than cigarette smokers, study shows Smokers' Lungs vs. Healthy Lungs

The uncertainty about the legal purchasing age, the researchers write, indicates that Tobacco 21 messaging initiatives are needed to reach families with adolescents in order to raise policy awareness and prompt preventive communication. More Stories from Science News on Science & Society

Publications and reports of the surgeon general

In spite of its protests to the contrary, the Tobacco Institutes lobbying for the passage of this bill signified an acceptance of the validity of the growing medical evidence documenting the link

A brief summary of the study process is shown in Fig

This pattern of inequity is consistent with findings in slightly older age groups (see Table 1)