Five Most Addictive Substances

Take a look at the five most addictive substances on the planet, ranked by scientists.

According to a team of psychiatrists, chemists, and pharmacologists at the UK’s Royal College of Psychiatrists, the following ranking focuses on dependency.

Caffeine that is the most widely consumed psychoactive ‘drug,’ is not a danger to human health.

Above, image credit Shayanne Gal/Business Insider

Here are the drugs that rank highest for dependency:

1. Heroin: the highest on the list in terms of dependency.

Five Most Addictive Substances (5) Credit Shayanne Gal/Business Insider

 

2. Cocaine: receiving a 3 out of 3 in terms of pleasure.

Five Most Addictive Substances (4) Credit Shayanne Gal/Business Insider

 

3. Nicotine: ranked as almost as addictive as cocaine, in terms of psychological addictiveness.

Five Most Addictive Substances (3) Credit Shayanne Gal/Business Insider

 

4. Barbiturates: sedative drugs. They were once widely prescribed for anxiety.

Five Most Addictive Substances (2) Credit Shayanne Gal/Business Insider

 

5. Alcohol: less psychologically addictive than tobacco.

Five Most Addictive Substances (1) Credit Shayanne Gal/Business Insider

 

via sciencealert