U.S.

Marijuana smokers are using electronic-cigarettes to get high, say local reports from across the country.

Electronic cigarettes are a growing industry in the United States, having ballooned from $300 million in retail sales in the U.S. last year to $1.8 billion by the end of 2013, according to Bonnie Herzog, a senior tobacco industry analyst at Wells Fargo Securities.

Marijuana users are seeing some of the same benefits in the devices, which produce a vapor of nicotine liquid or, in the case of marijuana, cannabis oil, liquid, or wax, that can be inhaled without the inconvenience of smelly, carcinogenic smoke.

Marijuana users, who explain their methods of using e-cigarettes to vaporize cannabis liquid in videos online, can make their own hash liquid and put it inside an e-cigarette, a lithium battery-powered device that heats liquid into vapor.

Local reports from Florida, New York, and Philadelphia, have reported…

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