Lactose IntoleranceLactose Tolerance TestLactaseFlatulenceLactoseDairy ProductsCultured Milk ProductsMilkBreath TestsLactase-Phlorizin HydrolaseHydrogenKwashiorkorCalcium, DietaryAbdominal PainMalabsorption SyndromesNational Institute of Mental Health (U.S.)Glucose IntoleranceYogurtDiarrheaIrritable Bowel SyndromeIntestine, SmallMilk, Humanbeta-GalactosidaseFructose IntoleranceFecesOrthostatic IntoleranceMilk ProteinsLactose SynthasePasteurization