2023-06-23 05:14:01
Vitamin D is one of the fat-soluble nutrients necessary for the human body. It can assist the intestinal tract to absorb calcium and phosphorus, maintain bone and dental health, and prevent rickets in infants and osteoporosis in the elderly. Studies have shown that vitamin D may help reduce the risk of infection or inflammation. Under the new crown epidemic, researchers have found that people who are deficient in vitamin D have a higher risk of being infected with the new crown virus.
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The main source of vitamin D in the human body is synthesized from the skin through sunlight, so it is called Sunshine vitamin. According to the Department of Health, “For most people, exposure to sunlight on the skin of the face, arms, and hands for 5 to 15 minutes two to three times a week during the summer can maintain high levels of vitamin D in the body.”
Foods that contain natural vitamin D only include oily fish such as salmon, tuna, mackerel, sardines, rainbow trout, or cod liver oil. In addition, liver, egg yolk, mushrooms irradiated by sunlight or UV also contain small amounts of vitamin D. There are also some foods on the market fortified with vitamin D, such as milk, cheese, cheese, soy milk, fruit juice or breakfast cereals.
People with darker skin, who stay out of the house for a long time or often cover their face and body with clothes are more likely to be deficient in vitamin D. In addition, premature babies, babies who are exclusively breastfed and have little exposure to sunlight, and patients with liver or kidney disease also need to pay attention to their vitamin D intake.
Excess vitamin D intake over a long period of time can lead to high levels of calcium in the blood—high levels of calcium in the blood can weaken bones, increase the risk of kidney stones, or affect heart health. Therefore, if necessary or before considering taking supplements, you should consult your doctor and make an evaluation.
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Responsible editor: Luo Jiaxin
Written by: United Christian Nethersole Community Health Services, Community Nutrition Services
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