中国２１世纪议程（续六）──中国２１世纪人口、环境与发展白皮书９．４１碘缺乏病、地方性氟中毒、克山病、大骨节病是严重危害中国广大病区群众身心健康及人口素质的地方病。４．２５亿人口生活在缺碘地区：３０个省、自治区、直辖市的１２３０个县、市受地氟病威胁，... China’s Agenda 21 (Continued 6) - China’s White Paper on Population, Environment and Development in the 21st Century 9.41 Iodine Deficiency Disease, Endemic Fluorosis, Keshan Disease and Kaschin-Beck Disease are serious threats to the physical and mental health of the general population in China and its population. Quality of endemic disease. 425 million people live in areas deficient in iodine: 1230 counties and cities in 30 provinces, autonomous regions and municipalities are threatened by fluorosis,...