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Rocket Fuel Found In Many U.S. Water Systems

From time to time, I've posted stories about the effects of our continued exposure to perchlorate, a toxic chemical that, in high doses, can decrease thyroid function in humans and is a component of rocket fuel and fireworks. A new report has found the daily ingestion of perchlorate -- a contaminant present in many public drinking-water supplies -- of up to 0.0007 milligrams per kilogram of body weight -- can occur without adversely affecting the health of even the most sensitive...