Calorie restriction may:

A) slow down aging.
B) speed up aging.
C) increase the risk of diabetes.
D) increase the rate of death.

Calorie Restriction

The practice of limiting dietary energy intake (while consuming sufficient quantities of vitamins, minerals, and other important nutrients) for the purpose of improving health and slowing down the aging process.

Aging

The process of becoming older, which involves a number of biological, psychological, and social changes over time.