FTC Alerts Major Retailers to Concerns About Concussion Protection Claims for Athletic Mouthguards Made on Websites
August 21, 2014
http://www.ftc.gov/news-events/press-releases/2014/08/ftc-alerts-major-retailers-concerns-about-concussion-protection
若い運動選手向けに販売している製品に信頼できる科学的根拠がない