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
How Liev Schreiber Fixed Himself
A Tough Guy Comes to Terms With His Troubled Past
Plus: How the Drug Cartels Took Over Mexico
ON NEWSSTANDS NOW
James Taylor's Life Advice
Sign up to receive the Men’s Journal newsletter and special offers from MJ and its marketing partners.