Benign prostatic hyperplasia (BPH) is present in about half of the male population over the age of 50. This handbook written by Claus G. Roehrborn, MD, the foremost BPH specialist in the world, discusses the latest medical therapies and surgical treatments to slow the development of BPH, which will become a major diagnostic concern for primary care physicians as the percentage of elderly men in the United States continues to grow.