Illicit methylphenidate use: a review of prevalence, availability, pharmacology, and consequences.

Methylphenidate hydrochloride (MPH) is one of the most widely available prescription stimulants. In response to an increase in stimulant treatment for Attention-Deficit/Hyperactivity Disorder, the prescription and production rates of MPH have increased dramatically in the past two decades. Given that college students and adolescents might be attracted to MPH for its attention-focusing, weight loss, or euphoric effects, there is concern that the rise in therapeutic use of MPH might also coincide with a rise in illicit (non-medical) use.

A randomized study of four cards designed to prevent problems during college students' 21st birthday celebrations.

Objective: The purpose of this study was to examine the efficacy of sending cards designed to prevent alcohol-related problems during 21st birthday celebrations.

Method: College students were randomly assigned to receive cards with one of the following messages: (1) a neutral birthday greeting; (2) harm reduction information; (3) messages designed by the Be Responsible About Drinking (B.R.