Even Nobel-Winning Chemists Don’t Know What’s in Your Weed Vape
A person tries out smokeless tobacco device. (Photographer: Kiyoshi Ota/Bloomberg)  

Even Nobel-Winning Chemists Don’t Know What’s in Your Weed Vape

(Bloomberg) -- The vaping health crisis sweeping the U.S. is highlighting how little scientists and health officials know about the marijuana being consumed on a daily basis by millions of Americans.
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