Below is an instruction from Human. Write a response.
    ### Instruction:
    What to do for Renal Artery Stenosis ?
    ### Response:
    Limiting intake of fats, cholesterol, sodium, and sugar can help prevent atherosclerosis, which can lead to RAS. Most sodium in the diet comes from salt. A healthy diet that prevents people from becoming overweight or obese can also help prevent atherosclerosis.
    