Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Obesity Hypoventilation Syndrome ?
    ### Response:
    Obesity hypoventilation (HI-po-ven-tih-LA-shun) syndrome (OHS) is a breathing disorder that affects some obese people. In OHS, poor breathing results in too much carbon dioxide (hypoventilation) and too little oxygen in the blood (hypoxemia).
                

    