Who's there? A radiologist studies digital X-rays in a viewing room at what is now called the Walter Reed National Military Medical Center in Bethesda, Md.
Seth Rossman/U.S. Navy
November 30, 2012 Radiologists have an image problem with patients. Many of them don't know who the doctors are or what they do. A survey finds that only about half of patients receiving CT scans even knew radiologists are doctors.
The warmer orange colors show parts of the brain most active during improvisational rap. The blue regions are most active when rappers performed a memorized piece.
November 15, 2012 Scientists have found rappers and jazz musicians use their brains in similar ways when it comes to improvisation. Brain scans show distinct differences in which parts of the brain are most active during rap performances of memorized pieces compared with those that are done freestyle.
Do you really need that MRI, or is your doctor just trying to make a buck?
December 1, 2011 Maybe you didn't need that MRI, but your doctor did. Scans are more likely to find no problems if doctors make money from the MRI, a study concludes. Congress and the states have tried to crack down on doctors self-referring to scanners they own, but the practice continues to drive up health care costs.
August 24, 2011 The latest Medicare data show that doctors frequently order MRI scans for patients with back pain before trying recommended treatments such as physical therapy.
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