盛夏初秋,赤日炎炎。人们常把太阳称做娃康的“朋友”和“敌人”。说是“朋友”,是因为阳光能改善人体代谢功能,增强免疫能力,起到健体防病和延年益寿的作用;说是“敌人”,则因强烈阳光的过分照射,不仅会使人的皮肤老化,而且会导致光照性皮炎、角膜炎、白内障,甚至皮肤癌等疾病。 Mid-summer early autumn, hot weather. People often call the sun a “friend” and an “enemy” of the baby. To say “friend” is because the sun can improve the metabolic function of the human body, enhance the immune system, and play a healthy role in preventing disease and prolonging life. When it is called “enemy,” it is not only the human skin that is exposed to intense sunlight Aging, but also lead to photodermatitis, keratitis, cataracts, and even skin cancer and other diseases.