What are probiotics?

Probiotics are beneficial bacteria that help keep our bodies healthy, found mostly in supplements and yogurts. Gastroenterologist Roshini Raj, MD, explains the healthy benefits of probiotics and how to find one that's right for you.

There's a universe of good bacteria living in your digestive tract. Here's what to feed them.

Is intermittent fasting right for you?

Learn how another person’s poop can help treat a common, dangerous illness.

Learn how to eat well and protect your health when you have hepatitis C.

Understand the difference between the "stomach flu" and food poisoning, and why prompt treatment is important.