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People attend an awareness campaign for diabetes disease on the World Diabetes Day in Kolkata, India, on Nov. 14, 2017. World Diabetes Day is commemorated annually on Nov. 14. (Xinhua/Tumpa Mondal)

People attend an awareness campaign for diabetes disease on the World Diabetes Day in Kolkata, India, on Nov. 14, 2017. World Diabetes Day is commemorated annually on Nov. 14. (Xinhua/Tumpa Mondal)