If an exam doesn't show signs of a serious problem following a concussion or loss of consciousness from a fall, scans expose you to radiation and unnecessary cost.
Credit: Getty Images
Powered By ZergNet
Sign up to receive the Men’s Journal newsletter and special offers from MJ and its marketing partners.
56 Perfect Things
Tech, Tools, Toys, & the Hottest New Gear
Plus: The Deadly Thrill of BASE Jumping
ON NEWSSTANDS NOW