Do you often use solar energy to supplement calcium?

　　Vitamin D promotes calcium absorption

　　Vitamin D, also called the “sunshine vitamin,” is skin The vitamin D3 source contained in it is produced and converted into vitamin D by absorbing ultraviolet rays from sunlight. It can help the body absorb and absorb calcium and phosphorus, making children's bones grow strong and strong. right baby It has a preventive effect on rickets and rickets. For adults, it has the effects of preventing osteoporosis and rheumatoid arthritis.

　　Regular exposure to the sun helps your body produce vitamin D

　　Researchers found that the human body can produce approximately 20 international units of vitamin D per square centimeter of skin exposed to sunlight for 3 hours. Even if the baby is wrapped tightly in clothes, as long as the face is exposed and basked in the sun for one hour a day, 400 international units of vitamin D can be produced, which is close to the baby's entire daily vitamin D requirement. Therefore, parents should take their babies out to get more sunshine and not stay at home every day.

　　When is the best time to bask in the sun?

　　For ordinary people, the time from 6 a.m. to 10 a.m. is the most suitable time to bask in the sun. At this time, the infrared rays in the sun are strong and the ultraviolet rays are weak, which can promote blood circulation and remove blood stasis; 4 to 5 pm is also the best time to bask in the sun, which can promote the absorption of calcium and phosphorus in the intestines, enhance physical fitness, and promote normal calcification of bones. However, the sunshine lasts longer in summer, and 4-5 pm is the time of the heat wave, so you can postpone the sunbathing time a little.

　　For pregnant women, the body needs to support the calcium needs of two people. Sunbathing for half an hour a day in summer is enough, and no less than 1 hour a day in winter. You cannot stay indoors all day just because you have limited mobility.

　　for developing Child For example, the body needs a lot of calcium, and they are the most susceptible to calcium deficiency. Therefore, starting from two months on, you should go outdoors to bask in the sun every day. 9-10 am and 4-5 pm are suitable times to go out. The time to receive sunlight can be gradually extended from the first ten minutes to one hour. When the weather is not too hot, you can bask in the sun for a while and stay in the shade for a while. In summer, don't be directly in the sun. You can also be exposed to scattered ultraviolet rays under the shade of trees.

　　For those prone to calcium deficiency elderly For example, you can bask in the sun before 9 a.m. and after 4 p.m., but it is best not to go out to bask in the sun alone. If you fall asleep in the pleasant sunshine, you may catch cold. Find a few friends, chat and move around, and you can easily receive ultraviolet radiation.