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In the water: Arsenic’s tumor-triggering mechanism discovered

arsenic drinking water cancer signaling hedgehog

Arsenic exposure has long been linked to cancer, but just how the toxic element triggers tumor growth has been unknown. A new study, published online February 23 in the journal Cancer Research, describes for the first time the impact of arsenic on crucial signals among the body’s cells—a potentially potent discovery for the 100 million [...]

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