Among all the contaminants in drinking water, nitrates are one of the most pervasive. They leach from chemical fertilizers and animal manure to pollute groundwater, rivers, and streams. Scientists and health advocates are worried that nitrates could also be behind hundreds of cancer cases in farming states across the U.S.
More than half the calories Americans consume come from ultra-processed foods. Hundreds of scientific studies provide strong evidence that consuming these foods is linked to serious health risks. Read our fact sheets on the science.