According to your textbook, what else should be considered in addition to the role of a physiological set point in making it difficult for people to lose excess weight?
A) The body's metabolic rate is fixed and does not change.
B) The difficulty in losing excess weight is greatly exaggerated.
C) Lower activity levels are also associated with weight gain.
D) Set point theory assumes that a person's set point cannot change.
Answer: C
Rationale: People who gain weight expend less energy in their normal day-to-day activities. Thus the difficulty with losing the weight may be related to lower activity levels, rather than only an elevation of a set point.
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