This review article summarizes the potential role of circadian rhythmicity and melatonin in psychiatric disorders. The melatonin rhythm, with high blood levels at night and low values during the day, is a reflection of the biological clock, i.e., the suprachiasmatic…

Introduction Even though heavy alcohol consumption is frequent, alcohol-related consequences are common, and drug use has become more common in this country, we know very little about public health response and the types of treatments available for persons with substance…