Regarding Internal and External Factors for Eating and Overeating, Which

Regarding internal and external factors for eating and overeating, which of the following statements is FALSE?

A) The North American culture provides inexpensive, good-tasting food everywhere, which encourages overeating.
B) Applying psychological principles to controlling weight is called "yo-yo dieting."
C) A dieter's body becomes highly efficient at conserving calories and storing them as fat.
D) People become obese in different ways and for different reasons, including diet, emotions, genetics, and a lack of exercise.