U.S. report: More nicotine in cigarettesBy STEVE LeBLANC, Associated Press Writer2 hours, 57 minutes agoThe level of nicotine that smokers typically consume per cigarette has risen about 10 percent in the past six years, making it harder to quit and easier to get hooked, according to a new report released Tuesday by the Massachusetts Department of Health.The study shows a steady climb in the amount of nicotine delivered to the lungs of smokers regardless of brand, with overall nicotine yields increasing by about 10 percent.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 1998.Public Health Commissioner Paul Cote Jr. called the findings "significant."The study...