What are the benefits of eating bananas for the elderly?

　　1. Prevent cardiovascular disease disease

　　When the body lacks potassium, irregular heartbeat, tachycardia, and drop in blood pressure will occur. A banana contains 400 milligrams of potassium. Potassium can maintain the coordination of normal myocardial contraction and enable nerve Muscle excitability is maintained at a normal level, coordinating myocardial contraction and relaxation functions, thereby maintaining blood pressure stability and preventing cardiovascular diseases.

　　2. Prevent and treat hypokalemia

　　After exercise, the body excretes a large amount of sweat, and potassium is also excreted, resulting in weakness in the limbs. After a large amount of vomiting and diarrhea or long-term use of potassium-depleting diuretics, blood potassium concentration will decrease. At this time, eating some bananas is the most ideal potassium-supplementing food, which can effectively prevent and treat hypokalemia.

　　3. Prevent dementia

　　Eating bananas can help improve brain power, improve learning ability, increase alertness, and prevent Alzheimer's disease.

　　4. Prevent and treat depression

　　Bananas contain a certain amount of 5-hydroxytryptamine and substances that synthesize 5-hydroxytryptamine, which can make people feel comfortable and help prevent and treat depression.

　　5. Prevent and treat gastric and duodenal ulcers

　　Bananas contain a chemical called 5-hydroxytryptophan, which can soothe the irritation of gastric mucosa by gastric acid, promote the growth and reproduction of mucosal cells, thereby repairing various ulcer lesions and preventing gastric ulcers.

　　6. Defense constipate

　　Bananas are rich in pectin in dietary fiber, which can promote intestinal peristalsis and make defecation smooth. stick to the night sleep Eating a banana before eating can effectively relieve habitual constipation. Traditional Chinese medicine believes that bananas are sweet in taste and cold in nature. The cold nature can clear away intestinal heat, and the sweet taste can moisten the intestines and relieve constipation. It is more suitable for heat constipation caused by accumulation of heat in the intestines and stomach. Symptoms include dry stool, short red urine, flushed face and hot body, or combined with abdominal distension. stomach ache , dry mouth Bad breath . Bananas can be eaten -2 hours after meals, 1-2 bananas per day is appropriate.

　　7. Prevent gout

　　Eating bananas rich in potassium can help reduce the precipitation of uric acid crystals in the joints and help the body excrete uric acid.

　　8. Alleviation Eye discomfort

　　When the human body consumes too much salt, a large amount of water will be retained in the cells, causing eye redness and swelling. The potassium in bananas can help the body excrete excess salt, balance potassium and sodium, and relieve eye discomfort. Bananas contain a large amount of carotene, which can relieve eye fatigue to a certain extent and prevent premature eye aging.

　　9. Eliminate itching

　　Banana peels contain anabatin, which inhibits the growth and reproduction of bacteria, causing foot sweat, tinea pedis, etc. skin For pruritus, banana peel can be applied to the affected area to eliminate itching.

　　10. Cure chronic cough

　　Folk prescriptions include banana stewed with rock sugar to treat chronic cough.

　　11. Cancer prevention

　　Japan cancer The Society published a report a few years ago that bananas have the effect of improving immunity and preventing cancer. Eating 2 bananas a day can effectively improve physical fitness. In addition, bananas are cheap, easy to eat, and convenient to carry. They are the best way to maintain health. healthy of nutrients, it can really be said to be a "miraculous fruit".

　　12. Reduce urine sugar

　　Diabetic patients eating bananas can relatively reduce urine sugar, so it is of great benefit to alleviate the condition.

　　It is worth mentioning that bananas are cold in nature, and those with a weak constitution are best to avoid them. For example, those with stomach cold (slight taste in the mouth and bloated stomach), deficiency and cold (diarrhea, easy dizziness), nephritis (also deficient and cold), and swollen feet during pregnancy are best not to eat raw bananas. Unless the banana meat has been steamed and the coldness has subsided, it can only be eaten. As for cold cough, bananas should not be eaten, but steaming bananas before eating them is acceptable.