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 THE PROGRESS OF SCIENCE

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��dred thousand, from the latter 122, but i epidemics and the diseases of infancy in 1912 the rate for heart disease had and youth death must sooner or later become higher than for tuberculosis, occur through some organic failure. An increase is also evident in Bright 's The fact that the death rate between disease, apoplexy and cancer. The in- 1 forty and' sixty has remained about sta-

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��crease of these diseases has attracted public attention, and has been adduced as evidence of the disastrous pressure of the conditions of modern life in cities and the ]ike. As a matter of fact, an increase in the deaths caused by these diseases may be regarded as propitious. People must die, and if we suppress

��tionary in recent decades, while the rate for earlier ages has so greatly de- creased, is another matter. This has been interpreted to mean that improve- ments in hygiene and medicine have been offset by bad conditions of living, the use of alcohol and other drugs, the overpressure of business, the pursuit

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