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Toothpaste widely contaminated with lead and other metals, US research finds

Most of 51 brands tested, including those for children, contained dangerous heavy metal

The testing, conducted by Lead Safe Mama, also found concerning levels of highly toxic arsenic, mercury and cadmium in many brands. Rubin first learned that lead was added to toothpaste about 12 years ago while working with families that had children with high levels of the metal in their blood. Meanwhile, Rubin’s testing of hydroxyapatite and calcium carbonate as individual ingredients showed concerning levels of lead and other metals, suggesting those are the source.

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