An oxygen booth is a type of alternative medicine found in Dr. Argon's Clinic in The Last Guardian. It supposedly refreshes the user with a breath of oxygen that is meant to increase concentration, reduce stress, and increase energy. Traditionally, oxygen bars have between 30-40% oxygen in the air, as apposed to the 21% in normal air. It is also implied that there is a gentle narcotic put into the oxygen booth at Dr. Argon's Clinic. This, combined with artificial waterfalls and mood lights, was meant to ease the patients at the clinic.
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