Calcium is one of the most important minerals necessary for the person. The need for it at children and aged people is highest 50 years are more senior. Many are sure that calcium is important only for skeletal system, however it far not so.
The most part of calcium in a human body contains in teeth and bones. Its deficiency during the period of intensive growth can lead to sad consequences. But violation of a bearing and caries is only a small part of problems which can arise at insufficient intake of calcium in an organism. Women are more senior than 50 years lacking this microcell, are subject to development of osteoporosis — a disease at which the fragility of bones increases. Calcium is necessary not only skeletal system. Any cell of a human body cannot do without it. Especially it is important for heart and vessels. Promoting removal of excess sodium, it helps to regulate arterial blood pressure, thereby preventing development of a hypertension. It is not less important and for the central nervous system. Improving carrying out nervous impulses, calcium interferes with developing of spasms, helps to control behavior, influences work of all bodies. Calcium influences blood clotting. For this reason its deficiency is dangerous at emergence even of insignificant bleeding (periods, removal of tooth) and especially at serious injuries. Calcium participates in a metabolism, and therefore is necessary for normal work of kidneys, adrenal glands, a thyroid gland and digestive organs. Besides, the reproductive system also needs it. Process of growth and cell fission is impossible without its participation. Dairy products, garden and wild berries, sunflower seeds, cabbage, parsley and haricot are rich with calcium. It is a lot of it in eggs, especially in a shell. For this reason it can be accepted at deficiency of calcium instead of pharmaceutical medicines. That calcium was acquired, vitamin D is necessary. In the summer it is developed in skin under the influence of sunshine. And in the winter it can be received from seafood and an egg yolk.