Below is an instruction from Human. Write a response.
    ### Instruction:
    Who is at risk for Heart Attack? ?
    ### Response:
    You can lower your risk of having a heart attack, even if you have already had a heart attack or have been told that your chances of having a heart attack are high. To prevent a heart attack, you will need to make lifestyle changes. You may also need to get treatment for conditions that raise your risk.
    