Lactose intolerance is an inability to digest a type of sugar found in milk and dairy products. Breath, blood, and stool tests are types of lactose intolerance tests that can measure the body’s ...

Fructose is a sugar that occurs naturally in fruits, vegetables, and honey. Fructose malabsorption is a type of food sensitivity that affects 40% of those in the Western hemisphere. As with other food ...

Lactose intolerance is usually diagnosed based on symptoms, but a healthcare provider can also perform breath and blood testing. Breath tests are also available as over-the-counter home test kits.

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For most people, eating a wide variety of fruit and vegetables is the cornerstone of a healthy diet. But for people with hereditary fructose intolerance, even a couple of bites of juicy watermelon or ...