A few years ago, doctors began noticing something unusual about many patients who were later diagnosed with Parkinson disease ...

Gastroenterologists say the visible corn in stool is usually the kernel’s indigestible outer shell, or pericarp, made of tough cellulose that humans lack enzymes to break down. While the inside of the ...

All animals possess some capacity for repairing and replacing the lining of their intestines, a process called intestinal regeneration. In mammals, including humans, this constant but relatively minor ...