If you avoid sun, have allergies to milk, or who are under strict vegetarian diet, you may be at risk of vitamin D deficiency. Vitamin D is known in the body as a natural response to skin exposure to sunlight. They also exist naturally in some foods. Including some fish, fish liver oil and yolks. Dairy products and processed grain products.
Vitamin D is essential for strong bones, because it helps the body to use calcium extracted from the diet. Vitamin D deficiency has been associated with rickets, a disease in bone tissue that is not properly mastered, resulting in soft bones and skeletal malformations. But as time progresses, research reveals the importance of vitamin D in protecting against a range of different health problems.
Causes of vitamin D deficiency :
Vitamin D deficiency can occur for a number of reasons including:
1. If you do not consume the recommended levels of the necessary vitamin and over time suffer from deficiency. This probably happens if you follow a vegetarian diet, because most natural sources are animal, including fish, fish oils, yolk, cheese, fortified milk, liver and beef.
Limited exposure to sunlight. Because the body makes vitamin D when the skin is exposed to sunlight, you may be more likely to be deficient if you are one of those two who do not leave the house, especially if you live in the northern latitudes, or if you have an imbalance that prevents you from being exposed to the sun.
3. You have dark skin. Melanin pigment reduces the skin’s ability to make vitamin D as a result of exposure to sunlight. Some studies suggest that older people with darker skin are vulnerable to vitamin D deficiency.
Vitamin D can not be converted to its active form. Vitamin D is not used in the form it reaches the body, either through food, supplements or the sun, but undergoes several changes within the body, but reaches the active form of the individual As we age, we become less able to convert vitamin D into its active form, increasing the risk of vitamin D deficiency.
5. If your digestive system can not absorb vitamin D adequately. As a result of certain medical problems, including Crohn’s disease, cystic fibrosis, and gastrointestinal disease, these diseases can affect the ability of the intestine to absorb vitamin D from Food or other sources.