Lactose IntoleranceLactoseLactose Tolerance TestLactaseFlatulenceGalactoseDietary CarbohydratesDairy ProductsBreath TestsLactase-Phlorizin HydrolaseHydrogenMilkGlucoseGlucose IntoleranceKwashiorkorCalcium, DietaryAbdominal PainMalabsorption SyndromesNational Institute of Mental Health (U.S.)Galactose OxidaseBlood GlucoseIntestine, SmallDietary FatsDiarrheaIrritable Bowel SyndromeGlucose Tolerance Testbeta-GalactosidaseFructose IntoleranceDietDietary Proteins