what does a cigarette contain Tobacco companies have made cigarettes deadlier than ever From our science page on

Its hard to isolate the effects of nicotine from those of tobacco, but animal and laboratory studies suggest nicotine could be responsible for cognitive and behavioral changes including addiction in people who begin using it as youths

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Read MoreThe real winner in the Lorillard takeover: BAT "With blu's business in the U.K., it was competing with BAT, and it feels like BAT wouldn't want to be contributing $4.7 billion to compete with itself," Lavery said

Advertisement Article continues below this ad Whitish, owner of a smoke shop, says he can understand how the law may not matter as much to other Indian nations where the smoke shops are tribally owned

In the months after the July tax increase, official cigarette sales in Massachusetts dipped 15 percent compared to the year before