Below is an instruction from Human. Write a response.
    ### Instruction:
    How to prevent COPD ?
    ### Response:
    If you have COPD, you can take these steps to prevent complications and control the disabling effects of the disease. - Quit smoking.   - Avoid exposure to pollutants and lung irritants.  - Take precautions against the flu.  - Talk to your doctor about the flu and pneumonia vaccines.
    