Twice a week 16-year-old Doran Scotson is sealed into a tank resembling a small submarine. This is then pumped full of air until it reaches nearly twice the normal atmospheric pressure. Inside the tank, Doran dons a mask and breathes pure oxygen for up to an hour at a time. According to Doran’s mother, Linda, this bizarre ritual is doing for him something most doctors say is impossible: reversing severe congenital brain injury.
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