AIM To estimate the exposure of Zagreb University medical students to psychoactive substances in 2000 and compare it with data collected in 1989. METHODS Students were surveyed in 2000 (n=775) and 1989 (n=986) by means of a self-reporting questionnaire. The 2000 survey also included 136 non-medical students. General demographic data and data on experience with psychoactive substances were col...

Abstract Objective The safety of the United States donor blood supply has been questioned in context recreational marijuana legalization Colorado and other states nationwide. It is unclear whether cannabis use by donors presents a danger to recipients, either through direct toxicity or socioeconomic ramifications. Our objectives are both determine if active metabolite tetrahydrocannabinol (THC)...

Colorado,Washington,andAlaskahave legalizedmarijuana, thus allowing a commercial industry to develop andmarketaproduct thathasbeen, ineffect, illegal since 1937. Commercialization of other addictive substances such as alcohol and tobacco created a cascade of negativepublichealth consequences, leading to reactiveand ineffective attempts at regulation of amature industry. Although there are calls...