A. B. C. KNUDSON, M.D., F.A.C.P.
The population of the United States is aging and, associated with this fact, serious long-term illness is becoming an increasing threat to our nation's health. Advances in medical science, improved surgical methods, new drugs, scientific nutrition, decrease in infant mortality, the diminishing toll of infectious diseases, and better public health measures and other medical accomplishments have advanced life expectancy by many years. There is every reason to believe that this will continue.
The average life span has increased from 47 to 68 years during the last half-century. By 1970 it is estimated there will be about 17 million persons 65
KNUDSON ABC. PHYSICAL MEDICINE AND REHABILITATION: EFFECTIVENESS AND PROGRESS IN RESTORATION OF THE CHRONICALLY ILL AND AGING1. Ann Intern Med. ;48:139–145. doi: 10.7326/0003-4819-48-1-139
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Published: Ann Intern Med. 1958;48(1):139-145.
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