Keywords: Rational scale to assess the harm of drugs (mean physical harm and mean dependence).svg A rational scale to assess the harm of drugs Data source is the March 24 2007 article Nutt David Leslie A King William Saulsbury Colin Blakemore Development of a rational scale to assess the harm of drugs of potential misuse The Lancet 2007; 369 1047-1053 PMID 17382831; doi 10 1016/S0140-6736 07 60464-4 The data in the paper is obtained solely from questionnaire results obtained from two groups of people the first comprised people from the UK national group of consultant psychiatrists who were on the Royal College of Psychiatrists ™ register as specialists in addiction while the second comprised of people with experience in one of the many areas of addiction ranging from chemistry pharmacology and forensic science through psychiatry and other medical specialties including epidemiology as well as the legal and police services; the experts are not named and were chosen by the authors This is a tertiary source see Wikipedia policy on primary secondary tertiary sources as it summarizes experts' opinions on the matter which are secondary sources without any direct references to primary sources The data was first reported in appendix 14 of Drug classification making a hash of it http //news bbc co uk/1/shared/bsp/hi/pdfs/31_07_06_drugsreport pdf I made the the svg version of Image 20drugs gif own Based on the article at http //www lila it/doc/documentazione/rdd/thelancet pdf 2008-01-03 Apartmento2 Rational scale to assess the harm of drugs mean physical harm and mean dependence de svg Other versions/Rational scale to assess the harm of drugs mean physical harm and mean dependence Translation possible Data prettytable sortable colspan 4 Physical harm colspan 4 Dependence colspan 4 Social harm - Drug Mean Physical harm<ref>NA Not Applicable is treated as zero</ref> Acute harm Chronic harm Intravenous harm Mean Dependence Pleasure Psychological Physical Mean Social harm Intoxication Social harm Health-care costs - Heroin 2 78 2 8 2 5 3 0 3 00 3 0 3 0 3 0 2 54 1 6 3 0 3 0 - Cocaine 2 33 2 0 2 0 3 0 2 39 3 0 2 8 1 3 2 17 1 8 2 5 2 3 - Barbiturates 2 23 2 3 1 9 2 5 2 01 2 0 2 2 1 8 2 00 2 4 1 9 1 7 - Tobacco 1 24 0 9 2 9 NA 2 21 2 3 2 6 1 8 1 42 0 8 1 1 2 4 - Alcohol 1 40 1 9 2 4 NA 1 93 2 3 1 9 1 6 2 21 2 2 2 4 2 1 - Street methadone 1 86 2 5 1 7 1 4 2 08 1 8 2 3 2 3 1 87 1 6 1 9 2 0 - Ketamine 2 00 2 1 1 7 2 1 1 54 1 9 1 7 1 0 1 69 2 0 1 5 1 5 - Amphetamine 1 81 1 3 1 8 2 4 1 67 2 0 1 9 1 1 1 50 1 4 1 5 1 6 - Benzodiazepines 1 63 1 5 1 7 1 8 1 83 1 7 2 1 1 8 1 65 2 0 1 5 1 5 - 4-MTA 1 44 2 2 2 1 NA 1 30 1 0 1 7 0 8 1 06 1 2 1 0 1 0 - Buprenorphine 1 60 1 2 1 3 2 3 1 64 2 0 1 5 1 5 1 49 1 6 1 5 1 4 - Cannabis 0 99 0 9 2 1 NA 1 51 1 9 1 7 0 8 1 50 1 7 1 3 1 5 - Solvents 1 28 2 1 1 7 NA 1 01 1 7 1 2 0 1 1 52 1 9 1 5 1 2 - Ecstasy 1 05 1 6 1 6 NA 1 13 1 5 1 2 0 7 1 09 1 2 1 0 1 1 - Methylphenidate 1 32 1 2 1 3 1 6 1 25 1 4 1 3 1 0 0 97 1 1 0 8 1 1 - GHB 0 86 1 4 1 2 NA 1 19 1 4 1 1 1 1 1 30 1 4 1 3 1 2 - LSD 1 13 1 7 1 4 0 3 1 23 2 2 1 1 0 3 1 32 1 6 1 3 1 1 - Anabolic steroids 1 45 0 8 2 0 1 7 0 88 1 1 0 8 0 8 1 13 1 3 0 8 1 3 - Khat 0 50 0 3 1 2 NA 1 04 1 6 1 2 0 3 0 85 0 7 1 1 0 8 - Alkyl nitrites 0 93 1 6 0 9 0 3 0 87 1 6 0 7 0 3 0 97 0 8 0 7 1 4 <references /> http //news bbc co uk/1/shared/bsp/hi/pdfs/31_07_06_drugsreport pdf Drug classification making a hash of it Appendix 14 http //www thelancet com/journals/lancet/article/PIIS0140673607604644/abstract The Lancet 2007; 369 1047-1053 ImageNote 1 313 25 28 14 380 380 2 Heroin ImageNoteEnd 1 ImageNote 2 268 71 28 28 380 380 2 Cocaine ImageNoteEnd 2 ImageNote 3 258 109 28 28 380 380 2 Barbiturates ImageNoteEnd 3 ImageNote 4 159 89 28 28 380 380 2 Tobacco ImageNoteEnd 4 ImageNote 5 175 117 28 28 380 380 2 Alcohol ImageNoteEnd 5 ImageNote 6 216 143 28 28 380 380 2 Amphetamine ImageNoteEnd 6 ImageNote 7 129 159 28 28 380 380 2 Cannabis ImageNoteEnd 7 ImageNote 8 85 206 28 28 380 380 2 Khat ImageNoteEnd 8 Nutt et al's drug harm chart SVG health |