Mens health: Whats benign prostatic hyperplasia? Most men will experience benign prostatic hyperplasia (BPH), to some degree, as they age By age 60, about 70% of men show symptoms of BPH By age 70, that number grows to 80% Let's start with the basics about this noncancerous condition What is the prostate? The prostate is a walnut-sized gland that lies between the bladder and the penis Urine flows from the bladder through the prostate to