Most Harmful Drugs

Name the most harmful drugs on a 0-100 scale according to a study in The Lancet.
Quiz by Eutychus
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Last updated: May 21, 2014
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First submittedMay 19, 2014
Times taken1,277
Average score45.0%
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Harmfulness
Answer
72
Alcohol
55
Heroin
54
Crack cocaine
33
Methamphetamine
27
Cocaine
26
Tobacco
23
Amphetamine
20
Cannabis
19
GHB
15
Benzodiazepines
Harmfulness
Answer
15
Ketamine
14
Methadone
13
Mephedrone
11
Butane
10
Anabolic steroids
9
Khat
9
Ecstasy
7
LSD
7
Buprenorphine
6
Mushrooms
+1
Level 22
May 19, 2014
No nicotine?
+1
Level 90
May 21, 2014
I guess tobacco includes nicotine. Added as an acceptable answer.
+1
Level 76
Sep 4, 2015
Where does Coca-Cola come?
+2
Level 81
Jun 15, 2017
From a can.
+1
Level 67
Jul 9, 2018
What about opium
+1
Level 90
Jul 11, 2018
Opium is rarely used. Derivatives from opium are here (heroin). This is a few years old, so synthetic opiates may make the list now.
+2
Level 21
Jan 31, 2023
Where is fentanyl?
+2
Level 90
Feb 1, 2023
This quiz is from 2014
+1
Level 74
Mar 3, 2024
Please expand on the methodology of this study and maybe add that in the description. Having alcohol before heroin definitely warrants an explanation. I expect it has to do with the harm inflicted on the whole human population added up, but confirmation and a source would be great.