It is the author's thesis that life at high altitudes deserves a new biology concerned with beings adapted to reduced atmospheric oxygen tension. This field of biology illustrates the principle that the reactions of living organisms are related to the duration as well as to the intensity of imposed stresses. There is every extreme in response ranging from the vomiting newcomer to the hard-working, healthy resident.
The research conducted by the author and his associates has been in two directions. He has looked back to the history of the inhabitants of the uplands of the Andes. This region, lying above 10,000 feet altitude, has been the home of millions of people for hundreds of years. “Acclimatization in the Andes” is based on his historical research. This is revealed by the chapter headings, Evidence of Climatic Aggression, Fertility and Acclimatization, Individual Acclimatization, Racial Acclimatization, and Altitude and Military Operations.