Every year almost a quarter of a million confused and frightened American men are tossed into a prostate cancer cauldron stirred by salespeople representing a multibillion-dollar industry. In this flourishing business, the radical prostatectomy is still the most widely recommended treatment option. Yet a recent and definitive study in the New England Journal of Medicine concluded that out of the fifty thousand prostate operations performed annually, more than forty thousand are unjustified. But this is no surprise given that 99 percent of all doctors treating this disease are surgeons or radiation therapists. The appalling fact is that men are still being rushed into a major operation that rarely prolongs life and more than half the time leaves them impotent.

Invasion of the Prostate Snatchers is a report on the latest thinking in prostate cancer therapy: close monitoring–active surveillance rather than surgery or radiation–should be the initial...