Breathing pure oxygen could heal footballers with concussion

Breathing pure oxygen could heal footballers with concussion

Concussions are common in contact sports and among soldiers. Most people recover after a short period of unconsciousness or amnesia, but up to 5 per cent experience long-term symptoms like headaches, mood changes, sleep disturbances and cognitive problems – known as post-concussion syndrome. Former NFL player Ryan Miller, for example, went public earlier this year with his battle with migraines, depression, memory loss and seizures that have continued two years after his retirement from the league. These neurological symptoms arise because impact to the head damages tiny blood vessels in the brain. This makes it harder for oxygen to reach...

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