Describe a study of newly arrested youths where researchers found correlations between the youths' prevalence of these sexually transmitted diseases and their cocaine and marijuana use.
Summarizes research suggesting a physiological difference as the explanation for African-Americans' reported low tolerance for pain.
Reports on research showing that newborns whose mothers abused methamphetamine during pregnancy showed lower rates of fetal growth as compared with unexposed newborns.
Reviews the changing lifespan of heroin abusers as compared with that of the general U.S. population based on 1962-1997 data.
Reports on scientists who pinpointed the biochemical trigger from morphine that sets off a chain reaction that inhibits an immune cell that is key in fighting viruses and cancer.
Describes research providing evidence that maternal smoking during pregnancy contributes to behavioral conduct disorders among toddlers, school-age children, and teens.
Reports on evidence that toluene abuse can harm the nervous system and body, although scientists know relatively little about its specific actions.