茶叶可以吸收水中的重金属，茶末的效果好于整片叶子。如果是袋装茶，要选植物纤维做的的袋，尼龙袋会释放大量微塑料
https://www.washingtonpost.com/climate-environment/2025/02/25/brewing-tea-removes-lead-metals/
https://www.washingtonpost.com/climate-environment/2025/02/25/brewing-tea-removes-lead-metals/
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