Cocaine: A brief history of blow

What's the most abused illicit drug in the U.S.? After marijuana, it's cocaine. Almost 15 percent of Americans have tried coke, and 6 percent of high school seniors have gotten high from the drug. But if you think cocaine use is just a modern vice, think again. It's been around for thousands of years and has been promoted not just by dope dealers but also by doctors - including some prominent names that might surprise you.

Want to take a trip down the memory lane of cocaine? With the help of Dr. Howard Markel, author of the new book An Anatomy of Addiction, we've put together a brief history of blow...

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