Which of the following statements regarding life expectancy in the United States is true?
a. The United States ranks twentieth in life expectancy worldwide.
b. By the year 2050, approximately 50 of the U.S. population will be 65 years or older.
c. Since 1990, life expectancy has increased by 63.
d. The proportion of people aged 65 years and older is increasing.
Question 2
Essential features of bulimia nervosa in an individual include:
A) recurrent episodes of binge eating.
B) recurrent episodes of inappropriate compensatory behavior to prevent weight gain.
C) a sense of lack of control over eating during the binge.
D) All of the above
E) b, c