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太阳光中的紫外线可以使人体皮肤下贮存的7—脱氢胆固醇、麦角醇转变为维生素 D_2,促进血液中钙、磷的正常代谢,为制造骨骼输送了原料。因此,医生们常建议家长给小儿多晒一会儿太阳,以便获得更多的维生素 D。这种方法对预防和治疗佝偻病起到了一定的作用
Ultraviolet light in the sunlight can make the 7-dehydrocholesterol and ergoline stored under human skin into Vitamin D_2, promote the normal metabolism of calcium and phosphorus in the blood, and transport raw materials for the manufacture of bone. Therefore, doctors often advise parents to give children more sun for some time in order to get more vitamin D. This method plays a role in the prevention and treatment of rickets