Here are some of the big health signs. If your eyes are bright, it means your body is in good health. If your eyes are dull, then you lack energy. Lack of qi and blood. The face is also closely related to health, if viscera good words qi and blood more sufficient, so you will present a rosy posture; If qi and blood is insufficient, the face is no luster. Our hair is kidney is having direct concern, fine blood is exuberant so the hair can have moist, black beautiful, but your fine blood deficit is empty when, so can bring about hoar hair or it is to fall off. On the contrary, the dark lungs after smoking and the listless face after taking drugs are the manifestation of sub-health of the body