AUTHOR=Wang Xinyu , Zhao Yahao , Wu Xueming , Cui Leqi , Mao Shuai TITLE=Editorial: Trace element chemistry and health JOURNAL=Frontiers in Nutrition VOLUME=9 YEAR=2022 URL=https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2022.1034577 DOI=10.3389/fnut.2022.1034577 ISSN=2296-861X