Concussions are caused by either a blow to the head or violent shaking of the head and neck. There are three different types of concussions. The severity of a concussion is determined by a number of things including: loss of consciousness, memory issues, balance, and how long the symptoms last. The three different types of concussions
Concussions are caused by either a blow to the head or violent shaking of the head and neck. There are three different types of concussions. The severity of a concussion is determined by a number of things including: loss of consciousness, memory issues, balance, and how long the symptoms last. The three different types of concussions