title: [The American Sociological Association's Medical Sociology Section turns fifty and the Journal of Health and Social Behavior celebrates].
authors.affiliation: Departamento de Medicina Preventiva e Social, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, , evernunes@uol.com.br.
authors.forename: Everardo Duarte
authors.initials: ED
authors.lastname: Nunes