CT Scans Reduce Lung Cancer Deaths by 20 Percent
Starting in 2002, more than 50,000 current and former smokers aged 55 to 74 signed up for the National Lung Screening Trial (NLST) at Johns Hopkins and more than 30 other sites across the nation. The trial was to last 10 years, but eight years into the study, leaders of the trial found their results thus far were significant enough to stop the trial and announce their findings.