Cigarette manufacturers increased the nicotine concentrations in tobacco from 1997 to 2005 by 11 percent,and in the "medium/mild" category,nicotine levels more than doubled.

Question

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According to the statement, cigarette manufacturers indeed increased the nicotine concentrations in tobacco from 1997 to 2005 and in the "medium/mild" category, nicotine levels more than doubled.

Cigarette Manufacturers Increased the Nicotine Concentrations in Tobacco from 1997