The decline in heart disease can be attributed to which of the following? (Choose the best answer.)
1.a decrease in fat and cholesterol intake
2.an increase in soluble fiber intake
3.a decrease in rates of smoking and an increase in physical activity
4.a decrease in fat and cholesterol intake and a decrease in rates of smoking
Question 2
Environmental exposure refers to which of the following?
1.access to healthcare
2.presence of toxins and disease-causing organisms in ones surroundings
3.number of fast food restaurants within ten miles of ones house
4.availability of fast food in schools