deficiency disease
1, dark adaptation decline, night blindness, dry eye.
The earliest symptom of vitamin A deficiency is the decline of dark adaptation ability, and when it is serious, it will cause night blindness, that is, you can't see clearly in dark light. Because some tissues on the cornea, retina and lacrimal gland are degenerated, a series of changes such as dryness, inflammation, softening, ulcer and keratinization appear, and vesicular silver-gray spots appear on the bulbar syndesmosis. Severe corneal surgery often leads to irreversible blindness.
2. Changes of mucosa and epithelium
Epithelial tissue is poorly differentiated, and the skin, especially the skin of arms, legs, shoulders and lower abdomen, is rough, dry and scaly. The mucous membranes of oral cavity, digestive tract, respiratory tract and urogenital tract are moist and soft, which is easy for bacteria to invade, especially in severe cases such as bronchopneumonia.
3. Growth and development are hindered
Especially in children, it first affects bone development, gingival hyperplasia and keratinization, affects the development of enamel cells and stops the growth of teeth.
4. Others
Taste and smell are weakened, and appetite is reduced.
Foods rich in vitamin a
Carrots, yellow-green vegetables, eggs, yellow fruits, spinach, pea seedlings, sweet potatoes with red hearts, green peppers, cod liver oil, animal livers, milk, dairy products and cream. .
Vitamin B 1 deficiency: sensitive to external stimuli, intermittent leg pain;
Vitamin B 1 deficiency—
(1) sugar (carbohydrate) metabolic disorder, such as anorexia, physical decline, fatigue, etc.; Animal brain function is reduced, polyneuritis and beriberi appear, and the whole body muscles are weak, which is prone to pain and spasm, even paralysis, until myocardial weakness and myocardial necrosis;
(2) Dysmetabolism of fat, which leads to low pancreatic juice function, fat indigestion and hyperlipidemia;
(3) Water metabolism disorder, edema, diarrhea, hydrous myocardial infiltration (pericardial effusion) and hypoproteinemia;
(4) Gastrointestinal dysfunction, decreased gastrointestinal motility, decreased secretion of digestive juice, constipation or diarrhea;
(5) Decreased thyroid function and poor lactation during pregnancy.
Vitamin B2 deficiency: the corners of the mouth are broken and ulcerated, and various skin diseases appear, with burning sensation in hands and feet. Excessive sensitivity to light.
Vitamin B3 deficiency: red and swollen tongue, bad breath, oral ulcer and depression.
Vitamin B6 deficiency: thick tongue coating, swollen lips, excessive head and dry oral mucosa.
Lack of vitamin B 12: The movement is easy to be unbalanced, and the body sometimes has intermittent pain in an uncertain position, and the fingers and toes are sore.
Lack of vitamin C: the wound is not easy to heal, the body is weak, the teeth are bleeding, and the tongue coating is thick.
Lack of vitamin d: it is easy to cause calcium absorption disorder, leading to calcium deficiency, which is manifested as convulsions.
Vitamin e: most people will not lack vitamin e, and they can get enough vitamin e from their daily diet.
But it has many functions:
Slow down the aging of all cells and tissues.
Protect your body from environmental pollution.
Protect red blood cell health and prevent anemia.
Improve the obstacles related to indigestible fat.
Improve most skin diseases.
Help the wound heal faster.
Promote the treatment of reproductive system diseases.
Relieve premenstrual discomfort.
Relieve the symptoms of lupus.
note:
When you have these symptoms, don't take vitamins casually. You should go to the hospital for consultation and take it according to the doctor's advice.
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