This study describes research on the impact of three intensive health curriculum models (respiratory, circulatory, and nervous systems) administered at the fifth-, sixth-, and seventh-grades on the knowledge levels, attitudes, and health behaviors of teenage students. The hypotheses of the study were that students enrolled in one or more units of…

Schools within the Child and Adolescent Trial for Cardiovascular Health intervention were randomized into control, school-based, and school-based plus family intervention conditions. Measures of third graders' psychosocial determinants of risk behavior indicated significant improvements in all psychosocial determinants following the interventions,…