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
The Best Tools, Tech & Toys for 2015
Plus: The World's Most Efficient Workout
ON NEWSSTANDS NOW
Martin Short's Life Advice
Sign up to receive the Men’s Journal newsletter and special offers from MJ and its marketing partners.