Banana is one of the most common fruits on the market. It can not only provide rich nutrients and various vitamins for human body, but also manage to make the skin resilient and eyes bright. While in recent years, many other benefits of banana have been found by scientific researches.
Banana can be used to decrease high cholesterol which can cause coronary disease. The patients with high cholesterol can cut fruit handles of bananas into piece and steep them with boiling water to drink. Just keep such a habit for 10 to 20 days, and you will find the high cholesterol can be decreased. 

Banana can also be used to prevent and cure gastrointestinal ulcers. The patients with gastrointestinal ulcers often take phenylbutazone, which can always cause stomach bleeding. Banana contains a certain kind of chemical substance which can prevent gastrointestinal ulcers and stimulate the growth and reproduction of gastric mucosa cells to produce more gastric mucosa to protect stomach.

In addition, banana plays an important role in treating hypertension. The patients with hypertension and cerebrovascular disease usually have much sodium and little potassium. Banana contains rich potassium which is effective in restrict sodium’s role of contracting blood vessels and damaging angiocarpies. Therefore, eating banana can maintain the balance between sodium and potassium and the balance of acid-base inside the body.

Another magic role played by banana is to treat melancholia. Banana contains a kind of substance which can produce 6- serotonin (6-HT) to make people feel happy and delight. Therefore, the patients with melancholia can eat banana to reduce depression and decrease the emotion of disappointment and pessimism.

Some people even use banana to cure pruritus cutanea. A special substance contained in banana can resist the generation of bacteria and fungi. It has been proved that it is rather effective to make use of such a kind of substance to treat pruritus cutanea and beriberi caused by bacteria and fungi. The patients can select fresh banana peels to rub the itching places.

The roles of banana not only include what have been mentioned above. It can also play a positive role in treating cough, hemorrhoids and constipation. It is also a great tool for many young girls to lose weight. The content of starch in banana is rather large, which means it is easy for people to feel full. What’s more, it usually takes some time for starch to change into saccharide, so it is difficult to pile energy inside the human body, which means eating banana is a good choice to lose weight.

The roles played by banana are really diverse, and they are more and more found out by us. These functions have already become the reasons for us to love banana.