Darwinism Medical Progress And Eugenics the Cavendish Lecture 1912 An Addres
Darwinism Medical Progress And Eugenics the Cavendish Lecture 1912 An Addres
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In our eReader you can find the full English version of the book. Read Darwinism Medical Progress And Eugenics the Cavendish Lecture 1912 An Addres Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Darwinism Medical Progress And Eugenics the Cavendish Lecture 1912 An Addres
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'IHK CAVKXDISM I. KCTUKK CtNsus Results. Percentag^e of each Age-ii^i oup. ien. Sus. Agt •<■ 0-20. As:es 20-55. Age^ 5. S and over. M.^ F. M. F. . M. F. 1881 • 47 '4 • 451 42 "6 ■ 43 '9 • 100 I i"o 1891, . 46-5 • 44'o • 43'7 • 44'9 • c/8 I II I9OI • 43'7 . 41-2 • 46-3 • 47-6 • lO'O ■ 1 1 3 The population has been sensibly growing older; the persons of reproductive ages have increased by about 3"5 per cent. A certain portion of this is almost certainly due to the survival of weaklings, but a part is also due to the decreased birtli-ratc It is not an easy matter to determine how much is due to each source. Hut we can show from isolated instances that in many ways medical science has led to a survival of the unfit. I may, perhaps, be permitted to illustrate this matter from one or two concrete cases. The reduction cjf mortality in child-bed has been very consider- able, especially in cases where operative surgery is needful. A century ago, or at least a century and a half ago, Caesarian section was rare, or at any rate if adopted very doubtful in its success.
What to read after Darwinism Medical Progress And Eugenics the Cavendish Lecture 1912 An Addres?
You can find similar books in the "Read Also" column, or choose other free books by Karl Pearson to read online
To quickly assess the difficulty of the text, read a short excerpt:
'IHK CAVKXDISM I. KCTUKK CtNsus Results. Percentag^e of each Age-ii^i oup. ien. Sus. Agt •<■ 0-20. As:es 20-55. Age^ 5. S and over. M.^ F. M. F. . M. F. 1881 • 47 '4 • 451 42 "6 ■ 43 '9 • 100 I i"o 1891, . 46-5 • 44'o • 43'7 • 44'9 • c/8 I II I9OI • 43'7 . 41-2 • 46-3 • 47-6 • lO'O ■ 1 1 3 The population has been sensibly growing older; the persons of reproductive ages have increased by about 3"5 per cent. A certain portion of this is almost certainly due to the survival of weaklings, but a part is also due to the decreased birtli-ratc It is not an easy matter to determine how much is due to each source. Hut we can show from isolated instances that in many ways medical science has led to a survival of the unfit. I may, perhaps, be permitted to illustrate this matter from one or two concrete cases. The reduction cjf mortality in child-bed has been very consider- able, especially in cases where operative surgery is needful. A century ago, or at least a century and a half ago, Caesarian section was rare, or at any rate if adopted very doubtful in its success.
What to read after Darwinism Medical Progress And Eugenics the Cavendish Lecture 1912 An Addres?
You can find similar books in the "Read Also" column, or choose other free books by Karl Pearson to read online
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