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			 The 32-year-old massage therapist has a diagnosis of post-traumatic 
			stress disorder (PTSD) from childhood trauma. To temper her 
			unpredictable panic attacks, she relied on a vape pen and cartridges 
			filled with the marijuana derivatives THC and CBD from state 
			dispensaries. 
 There are other ways to get the desired effect from marijuana, and 
			patients have filled dispensaries across the state in recent days to 
			ask about edible or smokeable forms. But Medeiros has come to depend 
			on her battery-powered pen, and wondered how she would cope without 
			her usual supply of cartridges.
 
 "In the midst of something where I'm on the floor, on the verge of 
			passing out, my pen has been very helpful for me to grab," she said. 
			She carries her vape pen in her purse in case of an emergency, but 
			has only one cartridge left.
 
 Massachusetts imposed its ban on all vaping products, including both 
			nicotine- and cannabis-based products, in response to mounting 
			concern about the potential serious health risks. Governor Charlie 
			Baker, a Republican, said the ban would last at least four months 
			while new legislation and regulation is explored.
 
			
			 
			
 More than 800 cases of a vaping-related lung disease and 12 deaths 
			across 10 U.S. states have so far been reported by the U.S. Centers 
			for Disease Control and Prevention. Those numbers are expected to 
			climb.
 
 More than three quarters of those with the respiratory illness 
			reported vaping THC, the main psychoactive ingredient of marijuana. 
			Many of them used small e-cigarette cartridges, or "carts," bought 
			on the black market, where the risk of adulterated products is high.
 
 Marijuana remains illegal under federal law, but a growing number of 
			states allow it for medical or recreational use. Massachusetts is 
			one of 10 U.S. states that allows both uses, along with the District 
			of Columbia.
 
 Some marijuana users had long eschewed vaping even before the ban, 
			often on the advice of doctors who saw the cocktail of compounds 
			being inhaled into lungs as risky.
 
 "I have advised against the vape carts for my patients for a long 
			time exactly out of suspicion of basically what just happened," said 
			Dr. Ryan Zaklin, a doctor in Salem, Massachusetts. "Who the hell 
			knows what they're putting in them?"
 
 Some patients like vaping because it is more discreet than 
			traditional burning of marijuana "flower." The devices are small, 
			produce a relatively odorless "vapor" and is fast-acting: a handheld 
			device rapidly heats liquid compounds into an aerosol that can be 
			inhaled into the lungs.
 
 Many of those patients are now asking their doctors or dispensaries 
			about edible forms of marijuana, liquid tinctures that can be 
			dropped under the tongue or old-fashioned flower buds and pre-rolled 
			joints for smoking.
 
 
			
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			For Medeiros, who lives in the small coastal city of Peabody, other 
			methods are a poor substitute. She found that edibles take time to 
			take effect, typically about an hour. Tinctures seemed to her 
			similarly slow-acting. And rolling a joint while her vision is 
			closing in and she is hyperventilating from a panic attack is nearly 
			impossible, she said. 
			UNEXPECTED BLESSING
 Medeiros wishes medical marijuana patients had been given time to 
			stock up on the products they use before the ban went into immediate 
			effect.
 
 Pressed on such concerns, the governor has not been swayed to change 
			his decision over what he said was a public health emergency.
 
 "There are many alternative uses available to people who currently 
			have prescriptions for medical marijuana and they should pursue 
			those," Baker told reporters last week, according to local media.
 
			But some public health experts have warned the ban may drive more 
			people toward riskier black-market, totally unregulated vape 
			products.
 At the New England Treatment Access (NETA) dispensary in Brookline, 
			near Boston, which has become one of the biggest suppliers of 
			medical marijuana since the drug became legalized in the state in 
			2012, several patients said they view the ban as an unexpected 
			blessing.
 
 Denise Sullivan, 62, uses medical marijuana to treat symptoms of her 
			leukemia. She had vaped for more than a year, but stopped after she 
			heard about the ban. During the period she vaped, she contracted 
			pneumonia five times, she said, and now believes that might have 
			been vape related.
 
			"I can tell when I vape I am more congested not in my lungs but in 
			my sinuses," she said. She plans to use edibles, which she said kick 
			in with enough time to treat her pain. 
			
			 
			Kate LeDoux, 49, had a similar experience. She is a runner and used 
			medical marijuana to help recovery from recent foot surgery. LeDoux 
			stopped vaping a few weeks ago after seeing the news about the lung 
			disease, turning instead to edibles and smoking.
 Almost immediately, her "weird cough" cleared up and her running 
			times improved, she said. "Now I know it was 100 percent the vaping."
 
 (This story has been refiled to to correct date).
 
 (Reporting Jacqueline Tempera in Brookline and Boston, 
			Massachusetts, and Jonathan Allen in New York; Editing by Frank 
			McGurty and Bill Berkrot)
 
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