冬季里很多老人减少了出门的次数。一方面是因为气候比较寒冷,另一方面也是因为担心路滑摔跤。而冬天晒太阳又好处多多,不但可以加快人体皮肤和内脏器官的血液循环,还可防治骨质疏松、补充钙质,于是有些老人便想出了坐在家里,隔着窗户玻璃晒太阳的法子,看似一举两得,但其实这种方法会让晒太阳的效果大打折扣。太阳光分为可见光和不可见光。我们肉眼能看到的是可见光,而紫外线、红外线等,则为不可见光。太阳光中的长波紫外线和中波紫外线能提高人的免疫力,促进维生素D3的合成,改善内分泌和睡眠。最正确的晒太阳方式当然就是每天适量接受长波紫外线和中波紫 Many elderly people in winter reduce the number of trips. On the one hand because of the colder climate, on the other hand, it is also because of fear of slippery wrestling. The winter sun and a lot of benefits, not only can speed up the skin and internal organs of the human body blood circulation, but also prevent osteoporosis, calcium supplement, so some elderly people came up sitting at home, across the window glass sun the way , Seemingly serve two purposes, but in fact this method will greatly reduce the effect of the sun. The sun is divided into visible and invisible light. We can see the naked eye is the visible light, and ultraviolet light, infrared, etc., is invisible light. The long-wave UV and UVB rays in the sun can enhance human immunity, promote the synthesis of vitamin D3, improve endocrine and sleep. The correct way to bask in the sun, of course, is to get a daily dose of UVA and UVA