It is always better to treat a health condition in its early stage before causing too much problem. An expert physician can predict from some signs that an ordinary person may be prone to some disorders. Acupuncture can bring back the balance soon to prevent the disease from being flared up. It also can improve the immune system and empower the body to decrease the risk of illness. Many professional athletes use acupuncture to increase their body and mind power before a match. Some students also try it to calm down before their important examinations. Since acupuncture is safe and effective, it is always worth to try it before meeting a physician is a must.