På den 96. kongressen til International Association for Dental Research (IADR), publiserte Benjamin Chaffee ved University of California, San Francisco en rapport om nikotin og kreftfremkallende stoffer i tobakk. Tobakksbruk er fortsatt det viktigste.
The latest research and analysis of the landmark Framingham Heart Study by researchers at Vanderbilt University Medical Center suggest that the risk of lung cancer is drastically increased within 5 years of quitting smoking. World..