Combination of two carcinogens ups cancer risk

Low doses of arsenic and estrogen together- even at levels low enough to be considered "safe" for humans if they were on their own - can cause cancer in prostate cells, a new study led by an Indian-origin researcher has revealed.

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According to Kamaleshwar Singh, an assistant professor at The Institute of Environmental and Human Health (TIEHH) at Texas Tech, the findings could have an impact on health regulations regarding the "safe" doses of these chemicals and others.

Read the rest of the story at Times of India