A partial ban has been imposed on cilantro grown in Mexico after U.S. federal investigators found used toilet tissue and human feces in fields where the salad green is grown. Cilantro, also known as ...

DNA analysis of 1,100 to 1,300-year-old dried human feces has provided insights into the pathogens that afflicted ancient Mexican people. The team led by Indiana University in the US analyzed ten ...

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DNA within dried feces dating from more than 1,000 years ago provides valuable insights into the pathogens that plagued ancient Mexican peoples, according to a study published October 22, 2025 in the ...