BEWARE!! 5 Most Addictive Substances On Earth [Don’t Ever Try No.3]

3-Cocaine

An estimated 14-20 million people worldwide use cocaine, resulting in a billion-dollar industry. Cocaine reacts with the brain’s level of dopamine, preventing neurons from turning the “feel good” signal off. This results in abnormal activation of the brain’s reward pathways. An estimated 21 percent of people who try cocaine will become addicted at some point in their lifetime.

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