Below is an instruction from Human. Write a response.
    ### Instruction:
    How to prevent Alzheimer's Disease ?
    ### Response:
    A number of studies suggest that eating certain foods may help keep the brain healthyand that others can be harmful. Researchers are looking at whether a healthy dietone that includes lots of fruits, vegetables, and whole grains and is low in fat and added sugarcan help prevent Alzheimers.
    