氟接触对机体的致癌作用和对健康的长期影响,已越来越受到重视,特别是在饮用氟化水的安全性方面。在过去十年中,许多学者对饮水加氟和不加氟的县镇和城市的癌症死亡率进行了比较。但是这些研究,都未证实在每日额外摄入1毫克左右的氟化物的情 The carcinogenic effects of fluoride exposure on the body and its long-term health effects have received increasing attention, especially in the safety of drinking fluoride water. In the past decade, many academics have compared the cancer death rates in counties and cities where fluoride is added to drinking water and in cities without fluoride. However, none of these studies demonstrated the additional daily intake of about 1 mg of fluoride