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DR MARC SIEGEL: Iowa's cancer rate is rising. One answer may be found in the water

October 20, 20261 min read

Iowa's cancer rate is 10% above the national average, and nitrates from fertilizer and manure in drinking water are drawing scrutiny from MAHA and RFK Jr.

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Dispatch TimeTue, Oct 20, 2026 at 6:00 AM EDT

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Iowa's cancer rate is 10% above the national average, and nitrates from fertilizer and manure in drinking water are drawing scrutiny from MAHA and RFK Jr.

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DR MARC SIEGEL: Iowa's cancer rate is rising. One answer may be found in the water | NouGenAi