With the advent of winter, exposure to sunlight becomes limited, which means that the chances of obtaining vitamin D are less, and although eating some foods such as salmon, eggs and milk products can be a source of vitamin D, it is not sufficient, as the rays The sun remains the main source of this vitamin needed for skin and bones.
Vitamin D deficiency in adults causes diseases such as osteoporosis, high blood pressure and diabetes.
As for the most important symptoms that indicate a deficiency in vitamin “D”, they are:
1. Pain in the bones and limbs: According to experts, the difficulty in moving when waking up, especially in winter, may be due to a lack of vitamin D.
2. Excess weight: High levels of body fat can have a negative effect on the level of vitamin D in the blood, because vitamin D is fat-soluble, which means that excess fat reduces the amount of the vitamin.
3. Dark skin: Studies have shown that demographic differences affect vitamin D deficiency. Skin pigmentation acts as a natural sunscreen, and sunscreen products reduce the skin’s ability to produce vitamin D by 97 percent. This means that dark-skinned people have more exposure to sunlight.
4. Head sweating is one of the most common signs of vitamin D deficiency.
5. Intestinal problems: People who suffer from inflammation of the intestine are more likely to suffer from vitamin D deficiency. Inflammation of the intestine, like other diseases of the digestive system, leads to a decrease in the absorption of fats that cause vitamin D to dissolve in the body.
• Therefore, experts advise sufficient exposure to sunlight and the best time to supply sufficient amount of vitamin D is between the hours of ten in the morning until three in the afternoon.
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