\"Growth of all things depend on the Sun\", as children are like flowers and trees, often Sun can contribute!
Sunlight containing UV, its direct sunshine can make skin to produce vitamin d, promote the absorption of calcium, phosphorus, young babies cannot automatically access to all of the required vitamin d when their sources of vitamin d can only rely on milk and vitamin drops. But if in outdoor activities in two or three hours a day, you can avoid the bone growth disorder, healthy growth. Has proven, Sun more children of the Sun, not only can prevent rickets, and can grow in height. Live in sunny North is generally higher than the South, is the truth. For older, often Sun, you can enhance the body\'s absorption of calcium.
But just like medicine, Sun is not excessive, also varies depending on the time, due to. Excessive ultraviolet radiation on the human body is harmful, acute and chronic conjunctivitis, keratitis caused by cataracts and other eye diseases, cause skin aging, wrinkles, freckles appear or even induced skin cancer.
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