Can The Scan?

Early cancer testing is always a good idea, but it might not be a lifesaver. A study published in the Journal of the American Medical Association finds that CT scans to detect lung cancers may not result in fewer deaths. Using statistical models, the authors calculated that when small lesions were diagnosed in patients, they ended up with the same mortality rate as those not screened. It turns out that the scans could pick up growths that do not progress into deadly cancer. However, another study, published last fall, found that screening shrinks death rates. The definitive trial, by the National...

Want the full story?

Subscribe Now

Subscribe
Subscribe

Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on TIME.com

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!