Vitamin D, also known as 'sunshine vitamin', maintain a reasonable level in the body helps to keep fit, and vice versa will induce many health problems.
Lack of vitamin D affects the activity of more than 200 genes in the human genome and may trigger a range of diseases such as rheumatoid arthritis, diabetes, bowel cancer, Crohn's disease and certain autoimmune diseases, etc. Seasonal affective disorder, Quality loose, muscle pain and other diseases also associated with vitamin D. Lack of vitamin D during pregnancy and early childhood growth stages, high-dose intake may reduce breast cancer, colorectal cancer risk.
Vitamin D is known as 'sunshine vitamin', but sunlight is not its only source. It is also found in animal foods, but it does not fully meet the needs of the human body. Vitamin D deficiency mainly occurs in insufficient sun exposure. Among those who lack food sources, infants, family women, and the elderly are more common. In addition, gastrointestinal diseases, liver diseases, and kidney diseases can cause vitamin D deficiency. Specifically, the following four groups should be alert to vitamins. D. Deficiency: First, elderly people who stay at home or in nursing homes for long periods of time; Second, white-collar workers who spend most of their working time indoors; Third, they are 'nighting' night shift staff; Fourth, they live lazily, not Love to go out 'home men' 'home women'.
Maintain the normal level of vitamin D in the body: First, the sun every day, preferably between 11 am to 3 pm, each drying 20 minutes, to expose the forearm, hands, legs and other parts, not across the glass sun; Second, eat high fat fish, such as salmon, mackerel, tuna, and egg yolk, cheese, liver, cereals, dairy products, soy milk, etc., Helps to supplement vitamin D, but the effect is worse than the sun
