Back in the day, every time you got your car’s gas tank filled, you checked the oil, tire pressure and the like. Although we may not do it every time these days, people still often take better care of their cars than themselves. Because of redundancy of the body's systems, and the incredible capacity of the body to adapt to change, early pathology may not be noticed, while it is still in a correctable stage. Wait until symptoms develop and that may not be the case. Everyone, men and women, should have periodic surveillance to watch for potential problems. This article, from Men's Health, details some specifics for men, but all can benefit from most of these tips.