If the mortality decrease is 20 percent, as observed in the NLST, in this cohort then, 12 additional deaths from lung cancer would have been prevented if selection for screening have been based on PLCOM2012 criteria. In conclusion, the PLCOM2012 predicted the 6-year threat of lung cancer with high accuracy and was more efficient at identifying persons for lung-cancer screening, as compared with the NLST criteria. Because the mortality reduction from CT screening performance did not vary relating to lung-cancer risk, it appears that use of the PLCOM2012 to choose persons for lung-screening programs could potentially be an effective method resulting in improved cost-performance of screening with additional deaths from lung tumor prevented..Kurzer, Ph.D., professor in the Department of Food Nourishment and Science in the University of Minnesota in Saint Paul. ‘Ours is the first study showing that aerobic fitness exercise influences the method our bodies break down estrogens to create more of the 'great' metabolites that lower breast tumor risk.’ Kurzer and her colleagues conducted the Women in Steady Exercise Study clinical trial, which involved 391 sedentary, healthy, young, premenopausal women. They designated the ladies to two age-matched randomly, body mass index-matched groups: a control group of 179 females and an intervention group of 212 women. While ladies in a sedentary was continuing by the control group way of life for the entire study period, women in the intervention group performed thirty minutes of moderate-to-vigorous aerobic fitness exercise five times weekly for 16 weeks.