Question

What factors explain the dramatic increases in life expectancy that we saw in most countries in the twentieth​ century? ​(Select all that apply​.) A. Greater government control of the production and delivery of health care. B. The establishment of simple but effective medical and public health practices. C. Innovations in disease​ control, including the use of DDT against malaria. D. Scientific breakthroughs leading to the development of antibiotics and vaccines.

Answer 1

B. The establishment of simple but effective medical and public health practices.

C. Innovations in disease​ control, including the use of DDT against malaria.

D. Scientific breakthroughs leading to the development of antibiotics and vaccines.

Step-by-step explanation:

The increase in people's life expectancy is linked to scientific development, which has been able to generate relevant improvements in basic health care, as well as the development of more complex and innovative technologies such as more accurate medicines, tests and diagnoses. Compared to the previous century, medicine has evolved dramatically. In the past, people died from diseases that are easily treated with antibiotics today.