Banking samples of your own poop in your youth and then transplanting them back when you're old might be a key to healthy aging, scientists suggest. Stool samples frozen and stored when a person is ...

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 ...

He'll be collecting samples of those species, cataloging them and trying to understand how they live. He's not heading out on an expedition to the seafloor, a deep cave or anywhere else to do it, ...

Pancreatic elastase is the digestive enzyme the pancreas produces to help digest food. Doctors can measure elastase levels by testing a stool sample. Low levels could indicate exocrine pancreatic ...

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