Bananas play an important role in positive emotions, they may help reduce symptoms of stress and anxiety, so bananas are known as "the fruit of happiness".
Bananas are rich in tryptophan, and a medium-sized banana contains about 12 milligrams of tryptophan.
Tryptophan is one of the essential amino acids that the body cannot manufacture and needs to be obtained from food.
Tryptophan is the main substance in the synthesis of serotonin. Serotonin, widely known as the "happy hormone", is a chemical used to communicate between nerve cells in the brain.
Clinical experience shows that low levels of serotonin in the brain are one of the main causes of depression and anxiety.
Serotonin can stimulate the nervous system of the brain, making people feel happiness, satisfaction, cheerfulness, and calm.
In addition, bananas are also rich in carbohydrates, protein, dietary fiber, fat, vitamin C, vitamin A, vitamin B, vitamin E, carotene, potassium, calcium, phosphorus, iron, and other nutrients needed by the human body.
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