The amount of fat you eat when following a keto diet is quite a bit higher than on most other diets. "I do not promote the ketogenic diet for patients, because it's generally not sustainable, and anytime we're taking out whole food groups we're missing whole nutrients," Majumdar said. In the case of keto diets, putting the kibosh on fruits, many veggies and whole grains means that people don't end up consuming much fiber.
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