Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Prostate Enlargement: Benign Prostatic Hyperplasia ?
    ### Response:
    Benign prostatic hyperplasiaalso called BPHis a condition in men in which the prostate gland is enlarged and not cancerous. Benign prostatic hyperplasia is also called benign prostatic hypertrophy or benign prostatic obstruction.
                
The prostate goes through two main growth periods as a man ages.
    