It can't be taken in too many either that vitamin A can't be scarce

It can't be taken in too many either that vitamin A can't be scarce
Summary: Vitamin A can't discharge with the urine, but store in liver and other positions when too much in the body, reach finally and is poisoned competence. General symptom for nausea and sound thicken, depilate and skin dry to take off bits, bone-ache, languid to have a liking for, sleep on, it is fuzzy that the adult can present eyesight and has a headache, it is bad that the baby can present development, the liver is big and neurotic. After vitamin A is taken in and reduced, its prognosis is good.
Which are the scarce danger of vitamin A?
Vitamin A or carrotene is insufficient in the meal, it perhaps cause vitamin A scarcely or it is bad to absorb. Clinical symptom displays mainly on eyes and skin.
Nyctalopia whether human vitamin A lack symptom that disease appear first one of. Because it is synthetic that vitamin A lacks to influence visual purple in the eyes, and visual purple is to maintain the dark visual main material. Eyesight fails at the night of person who suffers from nyctalopia, dark adaptive capacity is reduced. It is seriously scarce for vitamin A to sustain, malnutritive infant and pre-school children, can produce the intersection of dry eyes and disease especially.
Another important behaviour that vitamin A lacks that skin pathological change is. Skin vary the intersection of hair follicle and corner to, take until skin dry mainly, the two can happen or coexist at the same time alone. Vitamin A lack disease display have oral cavity, throat, respiratory tract and secrete urine in early days reproduction dishes of mucous membrane wither, dry and cilium loss, ability is reduced to make it resist infection. If vitamin A absorb insufficient for a long time, skin will become, do but not coarse, hair follicle it is excessive for corner to take, the skin is similar to chicken's skin, happen on the upper arm, thigh, shoulder, dorsal skin first, this is a fact that the skin gland secrete reducing.
In addition, vitamin A is scarce to hinder growing seriously, especially the development of children and baby. The patient has imperfect tooth, the shape cells of tooth enamel are abnormal and sunken, skeleton development is slow, growth is insufficient.
Too much danger that cause of vitamin A are not second to deficiency disease
Vitamin A crosses much danger caused and is not second to deficiency disease either, because lipid-soluble vitamin is difficult to get rid of. Of our country numerous the intersection of report and edible carrotene ' Vitamin A is original) It is suffered from that there is too much citrus of abundant content " Orange disease " Example.
Vitamin A can't discharge with the urine, but store in liver and other positions when too much in the body, reach finally and is poisoned competence. General symptom for nausea and sound thicken, depilate and skin dry to take off bits, bone-ache, languid to have a liking for, sleep on, it is fuzzy that the adult can present eyesight and has a headache, it is bad that the baby can present development, the liver is big and neurotic. After vitamin A is taken in and reduced, its prognosis is good.
Too much reports that cause foetuses to be odd-shaped of vitamin A have caused common people's concern in recent years. Britain's famous medical magazine " lancet " report, there is vitamin A that two mothers take 25,000-50,000 international units every day during whole gestation, the child whose result was born secretes the genitals deformity of the urine. Have 4 the intersection of example and pregnant woman take 13 - obey sour retinol ' A kind of vitamin A derivative) And then, the baby has hydrocephalus, companion's small ear, little eyes deformity.
Remind reader's friend, the guidance that should obtain the doctor here too while needing to supplement vitamins, can't take the vitamin products blindly.
" the stomach is empty, all things are all empty " ,This sentence says the importance of the diet, with the constant improvement of life quality, eat, feed oneself so getting simple, eat anything, how it wipes out to be what people care.The diet wanting science to be rational please enter:Diet channel
The editor recommends:Can lower intestinal cancer dangerously while contain rich amount of fibrous fooding
The editor recommends:Vitamin D is a king in the nutrient
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