Word: ageing
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Dates: during 1920-1929
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Alexis Carrel of the Rockefeller Institute, has a way of calculating physiological age. He takes blood serum and centrifuges it until the serum is free of cells. In the serum he cultures pure tissue or tissue cells, generally fibroblasts. Simultaneously he cultures the same sort of tissue in a saline solution. The older a person is (physically) the slower will his tissues grow in his serum. The ratio of tissue growth in serum to tissue growth in salt solution is Dr. Carrel's "growth index...
...been brought back to 58 or 55 or 50. Now, no attempt has been made in that direction and nevertheless it is the only way by which we can knew if any method of treatment has been successful or not. ... In a biological or medical study of old age, it is absolutely necessary to know what is the real age involved if we are to deal with diseases in old individuals...
...number of years during which a man has lived has nothing to do with his real age. Every human being is different from every other human being. Each one is unique in nature. We are the result of heredity, environment, diseases and psychological experiences. The passing of time will act in a different way on every...
Signs. Ways of recognizing old age: headaches, vertigo, apoplectic attacks, convulsions, sudden and profound lapses of memory, confusion, restlessness, aphasia, physical disability, inability to assimilate new ideas (misoneism, neophobia). (Menas S. Gregory of Bellevue Hospital, Manhattan...
Hygiene. Old people, in general, should continue the "bad" habits that let them live beyond middle age. This consideration gave President Samuel Waldron Lambert of the New York Academy of Medicine (host to this conference on old age) cause to praise the value of temperate alcoholic drinking. His speech cheered his audience, which made many a note. Said Dr. Lambert...