Oxygen
Hyperbaric oxygen chambers may sound suspicious, or superstitious, but, for intensive wound healing, they work miracles. There’s just one problem.
An iron lung, St. Bartholomew's Hospital, London: a patient inside a Drinker respirator, attended to by a nurse and a doctor. Photograph, ca. 1930 (?). Image via Wellcome Collection. When we breathe, air glides into our nose or mouth, down our larynx and trachea, and into our lungs, where it nuzzles into air sacs. Oxygen, carried by the air, passes through our thin lung walls to enter into the
