What is BPH (Prostate Enlargement)?  Prostate enlargement (otherwise known as benign prostatic hyperplasia, or BPH) is one of the most common health problems faced by men over 40 years old. In fact, about 50% of men will experience prostate problems in their 60's, a number that grows to about 80% of men by the time they reach their 80's. So if you are experiencing symptoms of enlarged prostate, you're not alone. More about BPH...