Reports on two studies indicating that orexin, a neuropeptide that stimulates eating and regulates wakefulness, also fosters animals' drug seeking and craving responses to drugs.
Reports on the work of addiction researchers who are learning how acute and chronic cocaine exposure regulates certain genes, based on knowledge from developmental and cancer biology.
Highlights data on the risky sexual behaviors of patients at a sexually transmitted disease clinic who had a substance abuse disorder as compared to those without a substance abuse disorder.
