Deficiency of vitamin D is caused by the lake of sun light, milk, and vegetables. This is quite serious problem and is a genuine threat to the health as most reliable source is sunlight as sunlight gives energy to skin and skin converts it into vitamin D beside this egg's yolk and fish oils are also its sources.

Symptoms of deficiency of vitamin D are bone pains muscle weakness. This deficiency is a threat for the young growing children and also for the women of age 50+.

Causes of vitamin d deficiency are very common and are affecting people all around the world. One of its causes is the less usage of eggs, vegetable diet and avoiding from fish oils, cheese and beef liver. As these are the only foods which carry vitamin D in them so these should be used.

Cause of vitamin d insufficiency is also less exposure to sun light which is the most important source of vitamin D. Skin exposed to sun light makes vitamin D but this is done in open area and in warmer parts of the world. Rushed cities have less open places and people have less time to go in sun light are the easy target of Deficiency.Visit here multivitamins for black people

One of the major causes of vitamin D deficiency in Africa is the dark skin of the people because a pigment present in dark skin melanin reduces the skin's ability to make vitamin D in response to sunlight exposure. This problem causes serious deficiency for the skin of old age persons.

In older age kidneys are also cause of vitamin D insufficiency. As kidneys become less capable of making vitamin D active thus they increase the problem. Some of the diseases of digestive system causes problem to digest the food and absorb the vitamin D from the food. E.g. Crohn's disease, cystic fibrosis, and celiac diseases cause of vitamin D deficiency.

This deficiency creates very serious problems in our body and makes the bones weaker and it effects the growth of the young children and is the serious threat to the new generations. Think garments also causes the deficiency as thick garment stops the sun light to approach the body and stops the skin to get some ultraviolet rays and convert it in to vitamin D. These are the major Causes of vitamin d deficiency but these can be tackled by acting on proper instructions.