Addiction The Most Addictive Drugs On Earth  

Prescription Drugs List
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List Rules Drugs that are addictive

A list of the most addictive drugs. These are the 18 most addictive substances on Earth. All of them should only be taken under a doctor's supervision, if at all. The level of addictiveness is based on two separate studies. Multiple other studies have also been considered. Some of these drugs have medicinal properties. But even if taken as medication, one should still be careful.

A lot of these drugs should be recognizable. If you've seen the epic AMC drama Breaking Bad, you should be knowledgeable about the dangers of crystal meth. If you're a fan of musicians like Kurt Cobain and Amy Winehouse, then you know about the highly addictive nature of heroin. Let's not even get started on crack and oxycodone, two of the most dangerous drugs in the world. 

Oxycodone is listed (or ranked) 1 on the list The Most Addictive Drugs On Earth
Photo:  Psiń•edelisto/Wikimedia Commons/Public Domain
Addiction Likelihood: 99%

Used To Treat: Post-Operative Pain

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Tobacco
Tobacco is listed (or ranked) 2 on the list The Most Addictive Drugs On Earth
Photo: Unknown/Px Here/Public Domain

Addiction Likelihood: 96.5%

Crack cocaine is listed (or ranked) 3 on the list The Most Addictive Drugs On Earth
Photo: Argv0/Wikimedia Commons/CC BY-SA 4.0

Addiction Likelihood: 95.5%

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Methamphetamine is listed (or ranked) 4 on the list The Most Addictive Drugs On Earth
Photo: Radspunk/Wikimedia Commons/CC BY-SA 2.5

Addiction Likelihood: 89.5%

Used To Treat: Obesity, Narcolepsy

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