These can save lives, but they also deliver megadoses of radiation – 500 times that of a regular X-ray. While your chances of getting cancer from a single scan are 1 in 600, multiple scans can create a problem. In general, CT scans of the head should be avoided when possible.
Credit: Getty Images
Powered By ZergNet
56 Perfect Things
Tech, Tools, Toys, & the Hottest New Gear
Plus: The Deadly Thrill of BASE Jumping
ON NEWSSTANDS NOW
Merle Haggard's Life Advice
Sign up to receive the Men’s Journal newsletter and special offers from MJ and its marketing partners.