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Kenneth H. Cooper, MD, MPH; Steven N. Blair, PED; Neil F. Gordon, MBBCh, PhD

JAMA. 1989;262(2):264.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

Small increments in performance can be the difference between winning and losing an athletic contest. Coaches and athletes constantly seek methods to produce these increments by improved training techniques or ergogenic aids. Many ergogenic aids are banned in competition and during training by sports governing bodies, but breathing oxygenrich air is permitted during recovery in many sports. It is common to see a college or professional football player come to the sidelines, place a mask over his nose and mouth, and breathe from an oxygen tank. Coaches and players apparently believe that this procedure hastens recovery and will permit the athlete to return to competition with renewed vigor. Priestley himself said "I fancied that my breast felt peculiarly light and easy for some time afterwards [after breathing 100% oxygen]" (as reported by Welch).¹

Furthermore, many years ago, Hill and Flack^2,3 suggested that supplemental oxygen might speed recovery from . . . [Full Text PDF of this Article]

Author Affiliations
Institute for Aerobics Research Dallas, Tex

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