Concussions, classified as mild traumatic brain injuries, are currently a major growing concern. The more we learn about this condion, the more we are able to see its devastating and long-lasting effects – even from just one concussion! Hyperbaric oxygen therapy is a very simple and safe procedure that has helped many patients recover from traumatic brain and head injuries. Recently more attention has been focused on hyperbaric oxygen therpay for concussion recovery, with overwhelmingly positive results. This study supports these reported benefits and demonstrated improvement in 21 of 25 neurocognitive test measures that were observed. Subjects received 40-82 one-hour treatments at 1.5 atmospheres absolute 100% oxygen <view study>