As a high school basketball player, Tracy sustained two concussions within a short period of time. Tracy tells her story and emphasizes that concussions are a serious injury. Athletes should know that if they think they've had a concussion, don't hide it, report it. Take time to recover. It's better to miss one game than the whole season. http://www.cdc.gov/ConcussionInYouthSports Comments on this video are allowed in accordance with our comment policy: http://www.cdc.gov/SocialMedia/Tools/CommentPolicy.html This video can also be viewed at http://www.cdc.gov/cdctv/Concussion/KeepingQuietCanKeepYouOutOfTheGame.mov