Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Nausea and Vomiting ?
    ### Response:
    Nausea is an uneasy or unsettled feeling in the stomach together with an urge to vomit. Nausea and vomiting, or throwing up, are not diseases. They can be symptoms of many different conditions. These include morning sickness during pregnancy, infections, migraine headaches, motion sickness, food poisoning, cancer chemotherapy or other medicines.
    