The phenomenon of aging may be a natural physiological phenomenon, or it may be caused by environmental factors or pathological factors. 1. Natural physiological phenomenon: with age, the body itself are tissue and organ failure, functional degradation phenomenon, which will appear aging symptoms. 2. Environmental factors: if the body has some bad habits and lead to the accumulation of free radicals in the body, accelerate cell oxidation and energy consumption, which is easy to make the body aging, such as smoking, alcoholism, late at night, and so on. 3. Pathological factors: If the body suffers from certain chronic wasting disease, such as diabetes, tuberculosis, etc., easy to cause the body to increase nutrient consumption, metabolic abnormalities and other symptoms, but also accelerate the phenomenon of aging. If there is an unexplained rapid aging, it is recommended to identify the cause and follow the doctor’s instructions for treatment, in addition to usually keep a happy mood, more exercise, so as not to accelerate aging.