background and objective: today, opioids are used to control and relieve acute and chronic pain. however, the incidence of both tolerance and dependence phenomena for these drugs is a major problem. so, in this study, the combination effect of haloperidol and methadone on the acquisition and expression of morphine dependence and tolerance was examined.    materials and methods: ninety-eight mic...

Substance abuse and dependence are among the most common psychiatric disorders among pregnant and parenting women. These disorders among welfare recipients have attracted special concern. Chemical testing has been proposed to identify illicit drug use in this population. This analysis scrutinizes the potential value of drug testing, using recent data from the Women's Employment Study and the Na...

BACKGROUND Illicit drug use is common and known to cause and exacerbate a wide spectrum of kidney disease, often leading to end-stage renal disease (ESRD), but little is known about its prevalence or associated mortality among incident hemodialysis patients. METHODS This study is a retrospective cohort analysis using data obtained from the United States Renal Data System. We assembled a cohor...