Current research suggests that the classic energy balance equation
A. can accurately predict precisely how many pounds a college student of a given weight and BMI will lose while following a given diet and physical activity program for one year or more.
B. does not help explain why people with similar energy intake and expenditure over time gain or lose different amounts of weight.
C. needs to be replaced with an equation that can be applied when individuals are weight stable.
D. is valid and reliable in explaining weight gain or loss with populations varying in age, gender, ethnicity, level of physical activity, and BMI.
Answer: B
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