If diarrhea becomes chronic, it can manifest in persistent hunger. On the other hand, eating too little fiber can lead to decreases in a gut hormone called peptide YY (PYY) which suppresses appetite.

Ahead, we’ve tapped six skin experts (think: dietitians, nutritionists, and dermatologists) to weigh in on everything you need to know about collagen supplements—from hair, skin, and nails ...

These guidelines aim to help clinicians manage patients who have had an intestinal resection that leaves a short length (about 2 m or less) of small bowel remaining. The preliminary guidelines were ...