Most Harmful Drugs

1 Krokodil

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2 Tobacco

3 Bath Salts

4 Whoonga

5 Methamphetamine

6 Flakka

7 Heroin

8 Ah-7921

9 Crack Cocaine

10 Scopolamine

The Contenders

11 Purple Drank

12 Fentanyl

13 Amphetamine

14 Marijuana