What impact does calcium deficiency have on human health?

　　The human body must have sufficient calcium intake in order for sufficient calcium salt to be deposited in the bones. According to research, bone strength is mainly formed between the ages of 12 and 18, that is, a person's peak bone density is closely related to calcium intake at a young age. If you miss this opportunity and do not develop stronger bones, it will not only affect your height, but also increase your risk of osteoporosis in later life. A short, stooped body is naturally incompatible with bodybuilding.

　　For example, long-term calcium deficiency reduces the elasticity of the eyeballs and the contraction function of the eye muscles is poor, causing some people to have enlarged and dull eyes, premature wrinkles at the corners of the eyes, and prone to myopia.

　　Calcium deficiency can affect nerve Muscle coordination. When the calcium ion concentration in the body fluid around the nerves decreases, the nerve excitability will increase significantly, and symptoms such as irritability, hyperactivity, insomnia, numbness in the hands and feet, muscle spasms, and waist and leg pain may occur.

　　Calcium deficiency can increase the permeability of cell membranes. Calcium ions play an important role in maintaining the integrity of cell membranes. A low calcium state can skin and increased permeability of mucous membranes to water, reducing skin elasticity and causing unexplained itching, edema and skin irritation. Urticaria。

　　youth female During the whole process of pregnancy, 20 to 30 grams of calcium need to be consumed, with an average consumption of more than 100 mg per day. Calcium deficiency during pregnancy increases vascular smooth muscle tension, which is gestational hypertension is one of the important reasons and will affect fetus normal development.

　　At present, the phenomenon of calcium deficiency among young women is increasing day by day. The reasons are as follows:

　　One is to drink coffee Become a fashion, and coffee will stimulate the adrenal cortex and increase urine output. The adenosine in coffee can also speed up the excretion of calcium from the urine.

　　The second is that young girls love to be "beautiful" and are afraid of getting fat. Many of them do not eat milk, pork liver, and soy products, but prefer to eat casual snacks, and their calcium intake is insufficient.

　　The third is fear of being exposed to the sun, resulting in insufficient synthesis of vitamin D in the body. It is currently believed that the basic measure for calcium supplementation for young women should be to pay attention to food intake, of which milk should be the best source of calcium for the human body. Research shows that young women who drink milk are 5 centimeters taller and have 6% higher bone density than those who don’t. anemia rate dropped from 28% to 0.