How The Wave Of Synthetic Cannabinoids Got Started

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Over the past 10 years, a group of drugs called synthetic cannabinoids, also known as Spice, K2 or synthetic marijuana, have been responsible for mass overdoses and tens of thousands of emergency room visits around the country. Alexi Horowitz-Ghazi of our Planet Money podcast looked into where this wave in synthetic drugs began.

ALEXI HOROWITZ-GHAZI, BYLINE: The story of the modern synthetic drug revolution begins in a scientific lab with a well-intentioned professor.

JOHN W HUFFMAN: Let me explain how we got into the synthetic cannabinoid business.

HOROWITZ-GHAZI: John W. more at