मोटापे को नियंत्रित करने के लिए, कीटोजेनिक आहार (Ketogenic diet) मुख्य रूप से किस पर जोर देता है?

Which of the following statements are correct regarding the cardioprotective roles of carbohydrates and dietary fiber in managing Cardiovascular Diseases? A. Complex carbohydrates, such as whole grains and millets, are recommended because they help control body weight and cholesterol levels. B. A high dietary fiber intake of 25 to 40 g/day is recommended to lower cholesterol, improve digestion, and control weight. C. Refined sugars and white bread are preferred over complex carbohydrates to immediately lower cholesterol levels. D. Dietary fiber sources such as fruits, vegetables, whole grains, and legumes play a crucial role in lowering cholesterol and improving digestion.

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R. Assertion A: A Gluten-Free Diet explicitly requires the complete elimination of wheat, barley, and rye from a patient's nutritional intake. Reason R: The primary purpose of this specific dietary elimination is to provide a pureed texture for patients suffering from swallowing difficulties. In light of the above statements, choose the most appropriate answer from the options given below: