Download or read book Psychotropic Substances: Statistics for 2009 - Assessments of Annual Medical and Scientific Requirements written by United Nations: International Narcotics Control Board and published by . This book was released on 2011-05 with total page 386 pages. Available in PDF, EPUB and Kindle. Book excerpt: Psychotropic substances are mood-altering drugs, including antidepressants and tranquillisers. This publication provides statistics and assessments of annual medical and scientific requirements for psychotropic substances, levels of consumption of groups of the substances, prohibitions and restrictions on their export and import. The text is in English, French and Spanish