How do probiotics work?

Probiotics, the good bacteria that help maintain the integrity of the digestive tract, work to protect our intestinal lining and digest some nutrients. Watch as gastroenterologist Roshini Raj, MD, explains how probiotics work to keep the gut healthy.

Are you wondering if this popular supplement is a safe way to get more sleep? Get the facts.

Keep your system running smoothly with these rules for regularity

It may be a sign of a serious health condition. Here’s what you need to know.

Before you stock up at the pharmacy, know that most people can get nearly all their essential vitamins and minerals from food.

Find out if these popular frozen desserts live up to their health claims.