Q: I'm taking my pet to a new veterinarian, and they've asked me to bring in a fecal sample. What's the best way to collect and store it, and how "fresh" does it need to be? A: That's great. Fecal ...

(CNN) — Professor Suzannah Williams wishes she didn’t have to spend her days analyzing poop samples. It’s a dirty job; but someone’s got to do it. Biodiversity is rapidly dwindling, with wildlife ...

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 ...