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Vitamin D

A few helpful facts about how Vitamin D and where you can find it

The vitamin D is a group of sterols and they have a hormone like functions. Skin is the major organ which is responsible for the vitamin D production in the human. The term vitamin D refers to two main forms of vitamin D. The D2 (ergocalciferol) and D3 (cholecalciferol). The D3 is produced in the skin by the action of ultraviolet (UV) light. The precursor for the production of D3 is 7-dehydrocholesterol. The D2 is produced in the fungal steroids when the UV light is present. However, very little amount of D2 is found in foods naturally.

In contrast the D3 is the main type found in oily shes. Vitamin D plays a major role in calcium metabolism and also plays a larger role in cellular well being and non skeletal functions such as metabolic disorders, cardiovascular diseases, diabetes, cancers, and auto immune diseases.

The major source (around 90%) of vitamin D is comes from the synthesis in the skin using of sunlight (ultra violet light energy) and also the vitamin is obtainable (around 10%) from some food sources like oily sh such as salmon, mackerel, sardines; cod-liver oil; liver and other organ meats, egg yolks, some dairy and dairy products fortied with vitamin D, margarine/butter and other vitamin D fortied foods available in the markets. Fortied foods, vitamin D supplements and articial/natural exposure to UV light are the alternative methods to increase/maintain the body vitamin D status.

Vitamin D deciency is highly seen among all age groups all over the world. Major factors which related with deciency were stated as less sun exposure, clothing patterns which cover most of the body parts, darker skin complexion, seasonal variations (less during winter season) and dietary habits.

The cultural believes and restrictions, clothing, seasonal variations, skin type, pigmentation, usage of sunscreens, dietary habits, poor outdoor activities and usage of supplementations affect the vitamin D status

Facts About Yawning

December, 2018

Yawning is usually tied to being tired or bored, but is it really always the case? Here are some facts about yawning!