American Journal of Public Health: June 1998 Highlights
American Public Health Association (APHA)American Journal of Public Health: June 1998 Highlights. Trends in Student Marijuana Use. Smoking and Breast-feeding Increases Infant's Exposure to Tobacco Products 10-Fold. Teens Have Less Sex And Use Condoms More Often. Aerobic Exercise at School Lowers Blood Pressure in High-Risk Girls.