A fecal fat test measures the amount of fat in a person’s stool. The test assesses the digestive function and absorption of fat in the gastrointestinal tract. Several medical conditions cause poor fat ...

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 ...

Lindsay Curtis is a health & medical writer in South Florida. She worked as a communications professional for health nonprofits and the University of Toronto’s Faculty of Medicine and Faculty of ...

While immunotherapy approaches to cancer treatment have had monumental benefits for cancer care, dichotomy in cohorts of patients who respond and do not respond to these modalities remains a ...

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 ...

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 ...