Why have traditional diets failed to help people maintain a healthy weight?
O a. They do not incorporate long-term lifestyle
changes.
O b. They are too difficult because they restrict too many calories.
O c. They do not include exercise.
O d. They are fad diets.
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b. they are too difficult because they restrict too many calories.
Explanation:
according to resources, " current strategies to tackle obesity which mainly focused on shedding calories... Are failing to help the majority of obese patients to shed weight and maintain that weight loss."