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内蒙古读者贺某来信说:我家宝宝下个月就满月了。目前正值寒冬季节,听老人们讲,宝宝冬天晒太阳对健康有益处。究竟有什么作用,又要注意哪些问题呢?答贺某读者:宝宝冬天晒太阳的益处,要从维生素D谈起。维生素D是一种脂溶性维生素,可促进钙的吸收,促进孩子的骨骼发育,预防佝偻病。冬天晒太阳是补充维生素D的方法之一。研究发现,1平方厘米皮肤暴露在阳光下3小时,可产生约20国际单位的维生素D。婴儿每天晒太
He letter from Inner Mongolia Reader: My baby will be full moon next month. It is now in the winter season, listen to the elderly say, the baby winter sun is good for health. What is the role of what, but also pay attention to what the problem? Congratulations to a reader: The baby the benefits of the sun in winter, to talk about starting from the vitamin D. Vitamin D is a fat-soluble vitamin, can promote calcium absorption, promote child’s bone development, prevent rickets. Winter sun is one of the ways vitamin D supplementation. The study found that 1 square centimeter of skin exposed to the sun for 3 hours, can produce about 20 International Units of vitamin D. The baby is too dry every day