居民长期食入高氟玉米,是导致煤烟污染型地方性氟中毒(简称地氟病)的主要因素。减少氟对玉米等粮食的污染,是预防地氟病的有效措施。实践证明,改变病区敞烧煤火直接熏烤粮食的燃煤方式,采用有排烟管道的炉灶,将煤烟尘排出室外,可以达到这一目的。涪陵地区是三 Long-term residents inhaled high-fluoride corn, is the leading cause of soot-contaminated endemic fluorosis (referred to as fluoride disease) of the main factors. Reducing fluoride pollution of corn and other foodstuffs is an effective measure to prevent fluorosis. Practice has proved that to change the ward open coal fire directly smoked food coal way, the use of a smoke pipe stove, the coal smoke and dust discharged outdoors, you can achieve this goal. Fuling area is three