Final answer:
Most diets fail because they don't incorporate lifetime changes in food selection and an overall increase in physical activity.
Step-by-step explanation:
The statement is True. Most diets fail because they only focus on short-term changes instead of incorporating lifetime changes in food selection and an overall increase in physical activity. A healthy lifestyle involves making sustainable changes to food choices and increasing physical activity levels for long-term weight management and overall health. Short-term diets often lead to weight regain once the diet ends.
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