Below is an instruction from Human. Write a response.
    ### Instruction:
    Who is at risk for Cough? ?
    ### Response:
    People at risk for cough include those who:
                
Are exposed to things that irritate their airways (called irritants) or things that they're allergic to (called allergens). Examples of irritants are cigarette smoke, air pollution, paint fumes, and scented products.
    