Not every individual who has migraines will experience a headache when exposed to these triggers. If a person is unsure what his or her specific triggers might be, maintaining a headache diary can be beneficial to identify those individual factors which lead to migraine.
Football and ice hockey were the organized sports with the most concussion injuries, and snow skiing, bicycling, and playground injuries accounted for the most concussions occurring from non-team-related activities.
The 4th International Conference on Concussion in Sport was held in Zurich, Switzerland on November 1-3, 2012 and followed the same outline as for the 3rd meeting. All speakers, consensus panel members, and abstract authors were required to sign an ICMJE Form for Disclosure of Potential Conflicts of Interest.