Between ages 25 and 65, most people gain about pounds.
a. 20
b. 40
c. 50
d. 60

The answer is A. 20

According to recent research numbers, most people Gained about 1/2 Pound a year between age 25 and 65. So that make about 20 Pounds in 40 Years ( Most of the people gained a significant weight after they married and settle down)

Factors that can increase your risk of developing binge-eating disorder include: family historypsychological issuesdieting  your  age