Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Tuberous Sclerosis ?
    ### Response:
    Tuberous sclerosis (TSC) is a rare genetic disease that causes benign tumors to grow in the brain and on other vital organs such as the kidneys, heart, eyes, lungs, and skin. It usually affects the central nervous system. In addition to the benign tumors that frequently occur in TSC, other common symptoms include seizures,impaired intellectual development, behavior problems, and skin abnormalities.
    