Do you know about the most commonly used illegal drugs? If you don’t, we can tell you about these drugs. There’s an article on Insider Monkey which has a list of eleven most commonly used illegal drugs that we are going to share with you today. Let’s take a look at Insider Monkey’s list to find out about these drugs.

While one might think that it would be relatively easy to make a list of the most commonly used illegal drugs, that’s not the case. The number of illicit drug users is hard to determine, since many countries, especially in Africa and Asia, have limited information about the extent of drug use.

In creating this list we used multiple sources, but before presenting it, we give you a short overview of the history of the relationship between humankind and drugs, which is filled with strange twists and turns. Some records suggest that use of opium dates back to 3.400 B.C., when opium poppy was cultivated by Sumerians in Southwest Asia. To read more, please visit 11 Most Commonly Used Illegal Drugs.