IBS and lactose intolerance both cause symptoms of diarrhea, abdominal pain, and bloating. Diagnoses of both IBS and lactose intolerance are made with a health history and without invasive tests.

If you're lactose intolerant, you will notice symptoms after you consume dairy. A hydrogen breath test measures hydrogen levels to check for lactose intolerance. A glucose blood test can show lactose ...

Digestive enzyme supplements have gained popularity for their claims of treating common forms of gut irritation, heartburn and other ailments. But how do digestive enzymes work, and who really needs ...