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作者为探讨软水地区心脏血管疾病死亡率高于硬水地区的原因,曾估计可能部分由于软水易于受水管道中铅的污染。已往曾发现在自来水中铅含量超过一般的安全阈,0.1 ppm,软水中的尤其是如此。后来又发现软水地区,格拉斯哥,人尸体肋骨中铅含量高于硬水地区,伦敦的。为了进一步研究这个问题,又在英格兰和威尔士硬水和软水城市各6个分析了55例突然死亡尸体的肋骨中铅含量。以干灰分
In order to investigate the reason that the mortality rate of cardiovascular diseases in soft water areas is higher than that in hard water areas, it is estimated that the soft water may be partly contaminated with lead in water pipes. It has been found in the past that the lead content in tap water exceeds the general safety threshold of 0.1 ppm, especially in soft water. Later found that soft water areas, Glasgow, the human body ribs in the lead content higher than the hard water, London. To further investigate this issue, six more were analyzed for lead in 55 cases of sudden death cadaver in each of six hard and soft water cities in England and Wales. With dry ash