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Concussions in Australian sport
Head injuries in sports of any level (junior, amateur, professional) are the most dangerous and sickening kind of injuries that can occur in sport, and are becoming more common in Australian sport. Concussions are the most common side effect of a head injury and are defined as "temporary unconsciousness or confusion and other symptoms caused by a blow to the head." A concussion also falls under the category of Traumatic Brain Injury (TBI). Especially in contact sports like Australian Rules Football and Rugby issues with concussions are prevalent, and methods to deal with, prevent and treat concussions are continuously being updated and researched in order to deal with the issue. Concussions pose a serious threat to the patients mental and physical health, as well as their playing career, and can result in lasting brain damage especially if left untreated. The signs that a player may have a concussion are: loss of consciousness or non-responsive, balance problems (unsteady on feet, poor coordination), a dazed, blank or vacant look and/or confused and not aware of their surroundings. Of course the signs are only relevant after the player experiences a blow to the head.
== Dangers of concussion ==
In the short term, concussions do not pose that much of a problem and a player suffering may experience: headache, dizziness, loss of memory, blurred vision, confusion, disorientation and /or sensitive to bright light and loud noises. However, the real danger occurs after repeated concussions suffered by the same player, if the player returns to play immediately after contracting a concussion or too soon after suffering one. If the player returns to play immediately or too soon after, there is an increased risk of another concussion (which is much more serious) as well as the rest of the body due to a slower reaction time. The player can also suffer from a number of psychological issues like depression, as well as permanent brain damage and severe brain swelling.〔 A player, regardless of age or level of competition, should not return to play or training following a concussion, without a medical clearance from a registered medical doctor.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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