according to fema, the federal emergency management agency, there were 195 fires and explosions involving electronic cigarettes between 2009 and 2016 in the united states.
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it's not clear how well they'll stack up against current migraine therapies, because head-to-head studies haven't been done.
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researchers examined 1,714 samples over six months and found that just 39 per cent contained what they buyer thought they had been sold