Is family income trajectory during childhood associated with adolescent cigarette smoking and alcohol use?
Findings indicate that childhood socioeconomic disadvantage influences adolescent smoking, while downward socioeconomic mobility influences adolescent alcohol use.
The prevalence of moderate to severe periodontitis was markedly decreased when compared to the prevalence in modern populations, underlining the potential importance of risk factors such as smoking and diabetes in determining susceptibility to progressive periodontitis in modern populations.