CT scans

(Newser) - Within five years, surgeons may be able to create 3D virtual models of patients' bodies in order to practice surgeries ahead of time. While current virtual surgery lags far behind the realism of, say, combat video games, a UCLA assistant math professor believes this could change soon, reports Scientific American....

(Newser) - CT scans, once hailed as a breakthrough in early detection of lung cancer, fail to save lives, according to research published yesterday. In a study of 3,246 smokers or former smokers, the scans led to the discovery of more tumors—and more surgeries—than in a control group, but...