Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Lactose Intolerance ?
    ### Response:
    Lactose intolerance is a condition in which people have digestive symptomssuch as bloating, diarrhea, and gasafter eating or drinking milk or milk products.
                
Lactase deficiency and lactose malabsorption may lead to lactose intolerance:
                

    