Life expectancy among Americans almost doubled from 1900 to 1980 due to all of the following measures EXCEPT development of vaccines. production of antibiotics. availability of more immunotherapy drugs. purification of water.
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S. life expectancy from 1900 to 1980: development of vaccines, production of antibiotics, availability of more immunotherapy drugs, purification of water. Show more…
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Human life expectancy in the United States has increased since 1900, due largely to improvements in medicine and sanitation. decreased since 1900, because of fast food and sedentary lifestyles. not been affected by nutrition. decreased since 1900, due to a rise in infectious disease.
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In 1940 the life expectancy at birth in the general public was 62.9 years. By 1980, it had risen to 73.7 years. Assuming a linear relation, which is the best prediction of life expectancy in the year 2000?
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Which of the following could INCREASE the life expectancy of humans in the USA? Another global flu pandemic The development of new vaccines &/or drug treatments Future terrorist attacks &/or wars The appearance of new viruses, such as the West Nile, Zika, & SARS-2, in the USA None of the above
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