Taking blood pressure is a quick and simple process, especially with the right equipment, but its benefits to your overall health are immeasurable. Not knowing your blood pressure can cause many dangerous diseases to run completely undetected, some of them threatening even young, active and seemingly healthy people. Having your own blood pressure monitor, rather than relying on your doctor's regular or expensive check-ups, is a good idea. A high-quality device can last for years and protect your health from non-obvious conditions.