Many people think that anemia is a common disease among children and women. In fact, the elderly are also susceptible to anaemia. Only from the aspect of appearance, some old people have chlorosis or pale skin, and the symptoms of pale lips, tongue, eye conjunctiva, pale color of the nail bed, etc. all reflect the anemia of the elderly. Why are the elderly anemic? What should the elderly eat? Next will be introduced for everyone, for your reference.
Why are the elderly anemic?
1, hematopoietic function decline
Human blood components are constantly being updated. Red blood cells can live for more than 100 days. White blood cells can only live for a few days or more than 10 days. The task of blood cell replacement mainly depends on the hematopoietic function of the bone marrow. Human hematopoietic function is also declining with the aging of people. The red bone marrow that can make blood in the bone marrow gradually degenerates into yellow bone marrow that cannot make blood, and it is only 30% of the adulthood by the age of 80.
2, lack of raw materials for hematopoiesis
Due to poor teeth chewing, poor gastrointestinal digestion, and malnutrition, older people lack the raw materials for protein, iron, folic acid, and vitamin B12 needed for hematopoiesis.
3, reduced blood factors
Gastric aging, gastric secretion of intrinsic factors, affect the absorption of vitamin B12; elderly testosterone secretion decreased, erythropoietin, followed by a drop, leading to hemoglobin deficiency, can lead to anemia.
4. Inhibitory factors increase
The elderly have received more environmental pollution, especially the elderly, and there are many medications. Many drugs have the side effects of suppressing hematopoiesis. The drugs most likely to cause hematopoietic disorders are cytotoxic drugs, in particular chloromycetin, antipyretic analgesics, anticonvulsants, antidiabetics, antithyroid drugs, antitumor drugs and immunosuppressants.
5, accelerated blood destruction
The weakening of immune organs, immune dysfunction, loss of self-recognition ability, often take their own normal blood cells as dissidents and destroy them, resulting in autoimmune hemolytic anemia.
What should the elderly eat?
1, eat more foods rich in vitamin C
Vitamin C can also promote the absorption and utilization of iron. Therefore, you can eat more foods rich in vitamin C, such as fresh vegetables and fruits.
2, eat more foods containing vitamin B
B vitamins (vitamin B12, folic acid) are essential for the growth and development of red blood cells. The liver and lean meats are abundant in animals. Green leafy vegetables also contain folic acid and can be consumed.
3, pay attention to supplement protein
Protein is an important raw material for hemoglobin, and anemia patients should eat more protein-rich foods such as milk, fish, eggs, soybeans, and soy products.
4, eat more iron-rich foods
Iron-rich foods include liver, kidney, heart, gastrointestinal and kelp, seaweed, soybeans, spinach, celery, rapeseed, tomatoes, apricots, dates, oranges, etc. are rich in iron, folk are also commonly used longan meat, large Dates, peanuts, clothes as a blood food.
5, eat more acidic food
Modern medical research shows that only divalent iron ions can be absorbed by the body. In an acidic environment, trivalent iron is easily converted to divalent iron that is easily soluble in water. If the elderly people lack stomach acid, the absorption of iron will be hindered. Therefore, in order to promote the absorption of iron, you should also eat some acidic foods, such as tomatoes, wild jujube, pickled cucumber, sauerkraut and so on.
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