Computed tomography (CT or CAT) scans help doctors detect everything from cancer to kidney stones. But some physicians are raising concerns about the safety of such procedures — most notably, an ...

Full body CAT scans are popular because they spot tiny tumors and other problems other tests miss. A new study finds the level of radiation from the scans may cause other problems. Bernie Deubel's ...

X-rays and CT scans have revolutionized medicine. Doctors can look inside the body and diagnose diseases even before people feel ill. But medical imaging that uses radiation comes at a cost. A new ...

Forbes contributors publish independent expert analyses and insights. Dr. Omer Awan is a practicing physician who covers public health. Lung Cancer, Scan, Essay Can Be Used Only To Illustrate Cancer, ...