Engqungqutheleni yama-96 ye-International Association for Dental Research (IADR), uBenjamin Chaffee wase-University of California, eSan Francisco washicilela umbiko nge-nicotine kanye ne-carcinogens egwayi. Ukusetshenziswa kukagwayi kuseyi-m ..
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..