Task: Answer Verification
Input (English): Question: Is regular Chinese Green Tea Consumption Protective for Diabetic Retinopathy : A Clinic-Based Case-Control Study?
Answer: Diabetic patients who had regularly drunk Chinese green tea every week for at least one year in their lives had a DR risk reduction of about 50% compared with those who had not. Regular Chinese green tea consumption may be a novel approach for the prevention of DR.
Output (English): yes