Environmental arsenic(As)and its potential relationship with endemic disease in southwestern China

作     者：Donglin Li Hucai Zhang Fengqin Chang Lizeng Duan Yang Zhang Donglin Li;Hucai Zhang;Fengqin Chang;Lizeng Duan;Yang Zhang

作者机构：Institute for Ecological Research and Pollution Control of Plateau LakesSchool of Ecology and Environmental ScienceYunnan UniversityKunming 650500China Southwest United Graduate SchoolKunming 650500China 

出 版 物：《Journal of Environmental Sciences》 (环境科学学报（英文版）)

年 卷 期：2024年第139卷第5期

页      面：46-59页

核心收录：

学科分类：100405[医学-卫生毒理学] 083002[工学-环境工程] 0830[工学-环境科学与工程（可授工学、理学、农学学位）] 1004[医学-公共卫生与预防医学(可授医学、理学学位)] 07[理学] 08[工学] 09[农学] 0903[农学-农业资源与环境] 10[医学] 0713[理学-生态学] 

基　　金：supported by the National Natural Science Foundation of China(Nos.41820104008 and U2202207) the Special Project for Social Development of Yunnan Province(No.202103AC100001) 

主　　题：Endemic disease Arsenic(As) Risk assessment Black shale Climate change 

摘      要：Many cases of an unknown disease exhibiting the clinical features of limb gangrene,blisters,ulceration,and exfoliation have been reported in Daping village(DV)in southwestern ***,the pathogenesis is unknown and has puzzled doctors for many years.A preliminary study on heavy metals and symptoms indicated that arsenic might pose the greatest threat to the health of local ***,to explore the sources of and factors influencing arsenic enrichment in DV,whose residents exhibit signs of arsenic poisoning,the As contents in soil,water,and plants were systematically *** results indicated high As contents in plant and soil samples obtained from the area,and the source of As may be linked to the weathering of black shale *** of soil and consumption of plants were the two main As exposure pathways among children and adults,respectively,and children exhibited a higher health risk than *** presume and emphasize that when extreme drought events occur,humans might face unusual risks resulting from exposure to toxic elements and the direct consumption of highly polluted *** study provides a new perspective and sheds light on the environmental geochemistry and health links of this disease.