Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Alzheimer's Disease ?
    ### Response:
    Alzheimer's disease has three stages: early (also called mild), middle (moderate), and late (severe). A person in the early stage of Alzheimers may - find it hard to remember things  -  ask the same questions over and over  -  get lost in familiar places  -  lose things or put them in odd places  - have trouble handling money and paying bills  - take longer than normal to finish daily tasks.
    