En español
NIDA

Medical Consequences

Letter from the Director

The so-called "club drug" MDMA continues to be used by millions of Americans across the country, despite evidence of its potential harmful effects. 3,4-methylenedioxymethamphetamine (MDMA, or ecstasy) has gained a deceptive reputation as a "safe" drug among its users. This illegal drug, which has both stimulant and psychedelic properties, is often taken for the feelings of well-being, stimulation, and the distortions in time and sensory perceptions that it produces.

Methamphetamine Abuse Undermines Dental Health

Describes research that sheds light on the correlation between increased dental disease and methamphetamine abuse.

Drugs Contribute to High Rates of Sexually Transmitted Diseases Among Juvenile Offenders

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.

Stress Response May Underlie African- Americans' Reduced Pain Tolerance

Summarizes research suggesting a physiological difference as the explanation for African-Americans' reported low tolerance for pain.

Study Links Anabolic Steroids to Brain Changes in Adolescent Female Mice

Reports on an animal study finding that links anabolic steroids to brain changes in adolescent female mice, changes that can potentially lead to steroid abuse.

Long-Term Cocaine Abuse Linked With Impaired Heart Function

Summarizes research on the effects of long-term regular cocaine abuse on the cardiovascular system in African Americans.

Methamphetamine Restricts Fetal Growth, Increases Lethargy in Newborns

Reports on research showing that newborns whose mothers abused methamphetamine during pregnancy showed lower rates of fetal growth as compared with unexposed newborns.

Reduced Longevity Among Male Heroin Abusers, 1962-1997

Reviews the changing lifespan of heroin abusers as compared with that of the general U.S. population based on 1962-1997 data.

Morphine-Induced Immunosuppression, From Brain to Spleen

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.

Behavioral Problems Related to Maternal Smoking During Pregnancy Manifest Early in Childhood

Describes research providing evidence that maternal smoking during pregnancy contributes to behavioral conduct disorders among toddlers, school-age children, and teens.

Pages