10. Heroin – $130 per gram
Currently, almost 80% of all opium that’s used in heroin is sourced in Afghanistan. During the 1990s, Latin America was the biggest source of the drug in the United States.Heroin travels directly to the brain, transforms into morphine and seeks opioid receptors responsible for breathing and other automatic cognitive processes necessary for life. Due to its euphoria-inducing qualities, heroin is one of the most addictive and destructive drugs in the world.
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