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.
Among children, most concussions happen on the playground, while bike riding, or when playing sports such as football, basketball, or soccer. What are the symptoms of a concussion? The most common symptom of a concussion is a headache.