Primary and congenital lactose intolerance are both inherited. Primary lactose intolerance is the most common. Your lactase production starts to decrease as you age and you become less dependent on ...

People with fructose intolerance cannot digest fructose as normal and may experience bloating, abdominal pain, and diarrhea. There are three types of fructose intolerance, not all require treatment.

What Are Dairy Allergy and Lactose Intolerance? Lactose intolerance and dairy allergy sound a lot alike. Many people think they’re the same thing. But their causes and their effects on your body are ...