Word: ageing
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Dates: during 1920-1929
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Physiological Age is quite different from chronological age. The beginning of physical aging is failure of the body to recuperate after pronounced physical strain. If repeated spells of recuperation are needed before recovery from such a strain ? that is not old age, but it is the shadow. Physical old age may frequently be seen in individuals of 30 or 40. Before 40 nearly all men and women have begun to feel the signs. Mental old age is a more subtle matter. It comes later than physical old age and the deterioration is slower. (Charles F. Collins, for 35 years...
Medicine knows no full picture of senescence. It knows many details?what diseases are peculiar to the age, how young ailments cause old crotchets, how various body parts wear out, how the mind grows dull. Little more detail did the New York conference bring out. Of a score papers only three or four dealt with the hygiene of old age. Practically all the others dealt with specific diseases. Yet the meeting was useful in collecting scattered knowledge and in focusing medical attention on old age...
Actuaries consider 65 the beginning of chronological old age. The U. S. has about 5,500,000 people above 65. Some 1,680,000 are at least 75; 240,000 at least 85; 60,000 at least 90. In 1,920 the U. S. had 4,267 centenarians...
...used to be taken for granted that the children of parents who lived 80 years had a better chance of living longer. Recent experiments have shown that is not true. Such children seldom average more than 52 years of age. (Linsly Rudd Williams, president of the New York Tuberculosis & Health Association...
...maximum possible age at present seems to be about 107 years...