●ダークチョコから有害な重金属を検出／米で新たな研究(CNN)
https://www.cnn.co.jp/fringe/35222225.html
A multi-year heavy metal analysis of 72 dark chocolate and cocoa products in the USA(2024/07/31)
https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2024.1366231/full