date:Jul 27, 2012
obal Public Health, and Chinese researchers, used data from the China Health and Nutrition Survey (CHNS), the longest ongoing study of its kind in China. Between 1989 and 2011, the study followed more than 29,000 people in 300 communities throughout China, with surveys conducted in 1989, 1991, 1993, 1997, 2000, 2004, 2006, 2009 and 2011. The CHNS project was a joint undertaking by the University of North Carolina at Chapel Hill and the Chinese Center for Disease Control (CCDC) National Institute