
Wang Longde, an academician with the Chinese Academy of Engineering and president of Chinese Preventive Medicine Association, addresses the 6th Healthy Lifestyle Conference in Beijing, capital of China, Aug. 17, 2017. (Xinhua/Lu Peng)

Wang Longde, an academician with the Chinese Academy of Engineering and president of Chinese Preventive Medicine Association, addresses the 6th Healthy Lifestyle Conference in Beijing, capital of China, Aug. 17, 2017. (Xinhua/Lu Peng)