Below is an instruction from Human. Write a response.
    ### Instruction:
    Who is at risk for Smoking and Your Heart? ?
    ### Response:
    The chemicals in tobacco smoke harm your heart and blood vessels in many ways. For example, they:
                
Contribute to inflammation, which may trigger plaque buildup in your arteries.
                
Damage blood vessel walls, making them stiff and less elastic (stretchy).
    