What’s the best diet for weight loss? An expert weighs in

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A new study suggests that a low-carb diet may not be the healthiest way to lose weight, despite its popularity. Dr. Roshini Raj, a TODAY contributor and associate professor of medicine at NYU Langone Health, joins TODAY’s Craig Melvin and Hoda Kotb to weigh in, saying a plant-based diet is the best way to go.