First, the best time to bask in the sun is from 8 am to 10, and from 4 pm to 7 pm. It takes half an hour. Sunbathing through the glass has no fitness effect.

Secondly, according to research, it is best not to bask in the sun at noon and in clear skies in Wan Li, and it is more appropriate when the sky is a little cloudy. If you think the sun stings or burns your skin, you should hide in the shade. Some white-collar workers feel that their seats are near the window and they can enjoy sunbathing at work every day. In fact, sunbathing through the glass window is not effective. It is best to choose outdoor or spacious balcony. It is best to wear red clothes when basking in the sun, because the long-wave radiation of red clothes can quickly "eat" the short-wave ultraviolet rays with strong lethality. At the same time, try to expose the skin and let the sun get in close contact with the skin.

Thirdly, some people say that the best time to bask in the sun is 9~ 1 1 and 5~6 pm. It takes half an hour. Sunbathing through the glass has no fitness effect.

Fourth, it is usually enough to bask in 1 to 2 hours every day! Yes, pay attention to nutritional supplements and vitamin AD supplements, as well as liquid milk calcium as symptomatic supplements and complementary foods, and eat more chicken, fish and shrimp as supplements!

Sunbathing can enhance the calcium of human body. Sunbathing is also very particular. It depends on the intensity of sunlight. If ultraviolet rays are too strong, don't give up sunbathing, which will burn your skin. If the ultraviolet light is too weak, it won't work. Generally, sunbathing in winter is the best, and the time is about 1 hour. Sunbathing for half an hour every day in summer is enough.