Identical stool samples sent to seven direct-to-consumer microbiome testing companies produced substantially different bacterial profiles and health assessments. Across 18 commonly reported microbial ...

Share on Pinterest Could stool samples help researchers predict who is likely to develop Parkinson’s? Image credit: Zaharia_Bogdan/Getty Images. Researchers have investigated whether stool samples ...

Dear Dr. Roach: I am an 80-year-old male in excellent health. I’ve had a colonoscopy every five years following my first in my mid-50s, in which five benign polyps were found. I was told colonoscopies ...

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