Big Toothpaste’s dirty secret: 90% of brands contain cancer-causing heavy metals

Independent testing of 51 toothpaste brands found 90% contained lead, 65% arsenic, 47% mercury and 35% cadmium. Heavy metals enter toothpaste through contaminated raw ingredients like hydroxyapatite, calcium carbonate and bentonite clay. Lead and cadmium disrupt cellular functions, causing kidney damage, osteoporosis, anemia and...

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