Harvard study: Nicotine is increasing

BOSTON (AFX) - Researchers at the Harvard School of Prt, which said that the higher nicotine levels made it easier to get hooked on cigarettes and harder to quit.

Massachusetts is one of three states to require tobacco companies to submit information about nicotine testing according to its specifications and the only state with data going back to 1997.

Harvard did a more in-depth analysis of the state's data and looked at one additional year. Work on the report was supported by funds from the anti-smoking advocacy group The American Legacy Foundation and the National Cancer Institute.

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