Mortality statistics indicate that the number of deaths from heart disease is distinctly on the increase. Thus, in the registration area of the United States, the deaths per hundred thousand of population from diseases of the heart increased from 132 in 1900 to 185.5 in 1925.
Several explanations have been suggested to account for this increased mortality from cardiac disease. The more important of these are:
1. The increase in the number of persons who live long enough to attain the "heart disease" age, or the time of life when deaths from the disease are much more frequent than earlier in life. Deaths from heart disease occur chiefly after the age of 45. This is because the most important single factor associated with such deaths is arteriosclerosis. It is apparently responsible for about 40 per cent of the cases.
A greater percentage of persons than ever before are now attaining
ALBERT H. INCREASING MORTALITY FROM HEART DISEASE: SUGGESTIONS AS TO PROBABLE REASONS. JAMA. 1927;89(16):1312–1315. doi:10.1001/jama.1927.02690160020006
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