But if you do have your heart set on mind-altering substances, it’s probably wise to avoid these five – as they’ve been found to be the most addictive substances in the world. A group of addiction experts, chemists, forensic scientists, and pharmacologists, headed up by Professor David Nutt, analysed the addictive qualities of different drugs to have a go at, ranking them in terms of how addictive they are. They then gave each drug a ranking from zero to three, with zero being the least addictive and three being the most. Here are the five substances they rated to be the most addictive. The most addictive drugs aren’t all the big scary Class A’s you might expect – three (nicotine, barbiturates, and alcohol) of the top five are legal to consume and widely accepted to use.

Source: Punch November 25, 2017 18:00 UTC