Human skin is the outermost part of the body. With the skin surface area of approximately 1.6 square meters for a woman to 1.8 square meters for a man, make the skin become the largest organ and widespread in the human body. However, the skin can be damaged, especially by the sun. Sunlight on the skin can cause skin cancer. The extent to which harmful sun rays to the skin? How to protect your skin from the dangers of the sun?

Sun important to life. Without the sun, then there is no life on earth. The Sun played for the process of photosynthesis in plants. In addition, the sun also serves to stimulate the body to produce vitamin D, which functions to metabolize calcium, to form strong bones.
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For many, aging is a frightening reality, but inevitable. Many movies and stories about the Fountain of Youth that grants eternal youth, those who drink a reflection of the imagination, and stories about the people who sold the