Swiss Federal Cannabis Report
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Cannabis Report of the Swiss Federal Commission For Drug Issues (EKDF) May 1999 Cannabis Report of the Swiss Federal Commission for Drug Issues (EKDF) May 1999 Federal Printing and Supplies Office No. Contact person: Ueli Minder Section for Policy and Research Telephone ++41 31 324 98 04 1 Table of Contents Preface and acknowledgements 5 1.1 Cannabis as the focus of expert opinions and political initiatives.................................. 7 1.2 Why reassess the position of cannabis?....................................................................... 8 1.3 Structure of the report .................................................................................................... 9 2.1 Prevalence of cannabis use........................................................................................ 11 2.1.1 Development of cannabis use from 1970 to 1998 ........................................... 11 2.1.2 Age at first use.................................................................................................... ........................................................................................................................ 13 2.1.3 International comparison................................................................................. 13 2.2 Availability and trade....................................................................................................... 16 2.2.1 Legal uses........................................................................................................... ........................................................................................................................ 16 2.2.1.1 Cannabis in agriculture...................................................................... 16 2.2.1.2 Cannabis for food products, cosmetics and consumer goods............ 17 2.2.1.3 Medical used of cannabis.................................................................... 17 2.2.2 Illegal use ....................................................................................................................... 17 2.2.3 Hemp cultivation............................................................................................................. 18 2.3. Pharmacology and toxicology of cannabis.................................................................. 19 2.3.1 Introduction ......................................................................................................... ........................................................................................................................ 19 2.3.2 Cannabis in the body ...................................................................................... 19 2.3.2.1 Absorption, metabolism and excretion............................................... 19 2.3.2.2 Pharmacodynamics........................................................................... 20 2.3.3 Acute effects of cannabis on the central nervous system................................ 20 2.3.4 Acute side effects and toxicity of cannabis...................................................... 21 2.3.5 Cannabis and driving ...................................................................................... 22 2.3.6 Medical uses of THC and cannabis................................................................. 22 2.3.7 Effects of chronic cannabis use....................................................................... 22 2.3.7.1 Amotivation syndrome ....................................................................... 22 2.3.7.2 Dependence and tolerance................................................................ 22 2.3.7.3 Carcinogenic effect............................................................................ 23 2.3.7.4 Genetic effects and effects on reproduction and pregnancy .............. 23 2.3.7.5 Effects on the immune system........................................................... 24 2.4 Historical and sociocultural aspects............................................................................ 27 2.5 The medical importance of cannabis .......................................................................... 39 2.5.1 Introduction ......................................................................................................... ........................................................................................................................ 39 2.5.2 Investigation of the therapeutic action of cannabis.......................................... 39 2.5.3 Cannabis poisoning in medical emergency statistics....................................... 40 2.5.3.1 Swiss Toxicology Information Center................................................. 40 2 2.5.3.2 Clinical trials in Switzerland ............................................................... 40 2.6 The legal environment .................................................................................................... 42 2.6.1 International conventions ................................................................................ 42 2.6.2 The Federal Narcotics and Psychotropic Substances Act (BetmG; SR 812.121) ............................................................................................................................ ........................................................................................................................ 43 2.6.3 The Swiss Road Traffic Act............................................................................. 44 2.6.4 Agricultural and private cultivation................................................................... 45 2.6.4.1 Hemp in agriculture ........................................................................... 45 2.6.4.2 Hemp in food, cosmetics and articles of daily use ............................. 45 2.6.4.3 Hemp in medicine.............................................................................. 45 2.6.4.4 Hemp as a "dual-use crop"................................................................ 46 2.7 Enforcement of the existing legislation ....................................................................... 48 2.8 Effects of the status quo................................................................................................. 51 2.8.1 General preventive effectiveness .................................................................... 51 2.8.2 Aid in crime detection...................................................................................... 51 2.8.3 Higher propensity to undergo treatment .......................................................... 52 2.8.4 Prevention of consumption in public................................................................ 52 2.8.5 Cost of policing and prosecution ..................................................................... 52 2.8.6 Stigmatization of users................................................................................... 52 2.8.7 Doubts as to credibility and proportionality ...................................................... 52 2.8.8 Inequality of justice ............................................................................................. ........................................................................................................................ 53 2.8.9 Corruption ........................................................................................................... ........................................................................................................................ 53 4.1 Clarification of terminology ............................................................................................. 56 4.1.1 Decriminalization under substantive and procedural law ................................. 56 4.1.1.1 Discretion in Swiss law........................................................................ 56 4.1.1.2 Discretion in the Dutch sense ............................................................ 57 4.1.2 Decriminalization and legalization ................................................................... 57 4.2 Models of limited decriminalization ............................................................................. 58 4.2.1 Introduction and summary............................................................................... 58 4.2.2 Removal of the substantive offence of consumption and procurement for personal use ....................................................................................................... ........................................................................................................................ 59 4.2.3 Change in the severity of penalties ................................................................. 60 4.2.4 Introduction of an expediency regime for cultivation and retail along the lines of the Netherlands model .................................................................................... 60 4.2.5 Conditions to be met by models for change .................................................... 61 4.3 Models of legal availability of cannabis and THC products ......................................... 63 4.3.1 Introduction and overview ............................................................................... 63 4.3.2 Prescription of cannabis by medical doctors ................................................... 64 4.3.2.1 Medicinal use .................................................................................... 64 4.3.2.2 Non-medicinal use............................................................................