A hydrogen breath test can help determine if you have one of a few conditions that can affect your digestive health. It may tell you if you have too much bacteria in your gut, if you are lactose ...

Allison Herries, RDN, is a registered dietitian for a telehealth company. In her role, she provides nutrition education and counseling to help her clients set and reach their personal health goals.

Wondering if your digestive symptoms could be fructose intolerance? Experts explain what it is, how it’s diagnosed, and how to manage your diet.