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-A key factor in public health improvement over the past 100 years

Question

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Widespread vaccinations have played a significant role in improving public health over the past 100 years, reducing the incidence and prevalence of a variety of diseases.

Answer: B
 Pneumonia, influenza, and tuberculosis were leading causes of death and illness 100 years ago. Progress in healthcare and the widespread application of antibiotics have substantially reduced their impact on public health.

Answer: D
 Over the past 100 years, improvements in healthcare and public health policies have increased life expectancy by nearly 30 years. The average life expectancy of a newborn in the United States is now 77.7 years.

Note: While heart disease and accidents and unintentional injuries are important public health issues, they are not necessarily key factors in public health improvement over the past 100 years.

Matching -A Key Factor in Public Health Improvement Over the Past