Which of the following nutrients is/are protective against the development of Alzheimer's disease, muscular decline, and depression?
A) Calcium
B) Vitamin B12
C) DHA and EPA omega-3 fatty acids
D) Iron
Question 2
Which of the following factors has not increased the life expectancy in the United States?
A) Improvements in infant health
B) Medical advances in disease prevention and treatment
C) Improved nutrition
D) Global warming