Abdominal CT scans expose you to at least 50 times more radiation than an X-ray. Unless you have a major change in symptoms, don't get more than one for nonspecific stomach pain.
Credit: Getty Images
The 2014 Adventure Issue
From Iceland's Highway 1 to Utah's Canyonlands, an epic itinerary for modern explorers.
Plus: Building a Bigger Action Hero
ON NEWSSTANDS NOW
Duke Lacrosse and the Fog of Scandal
How Thailand's Most Notorious Prison Became a Fight Club
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