Final answer:
Yo-yo dieting can lead to reduced metabolic rate and lean body mass.
Step-by-step explanation:
Yo-yo dieting, also known as weight cycling, refers to the pattern of repeatedly losing and gaining weight. It is characterized by following strict diets and then regaining the lost weight once the diet is over. The impact of yo-yo dieting on the body can result in reduced metabolic rate and lean body mass, which means that the body burns fewer calories at rest and has less muscle tissue. This can lead to difficulty in maintaining weight loss in the long term.
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