作者: Willard J. Visek , Stephen K. Clinton
DOI: 10.1007/978-1-4757-9561-5_5
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摘要: The average life expectancy for Americans has increased by almost 25 years since 1900. Eighty-five ago infectious diseases were the leading cause of death. In growing population industrial workers that time, accidents also a major morbidity and shortened lifespan. significant gains in have been largely due to improved preventive measures facilitated advances sanitation, nutrition, health. Prolongation survival produced aged people with high rates cardiovascular disease cancer. Together, these currently account approximately 70% deaths United States. Consequently, fraction our health care expenditures allocations funds biomedical research directed treatment diseases. Despite efforts, overall age-adjusted mortality from cancer remained remarkably constant, although there dramatic reductions some rarer forms neoplasia, like Hodgkin’s disease, childhood leukemia, testicular slow progress therapy cancers, as perceived public lawmakers, stimulated resurgence interest causation prevention.