Because of the high pressure of work and life, it is difficult for people to maintain a happy mood for a long time. According to the modern research, certain foods containing tryptophane, folic acid, omega-3 fatty acid and sugar can alleviate the bad mood for people. 

The tryptophane contained in turkey is regarded as one of happy elements inside the human body. When the level of tryptophane in the blood is decreased, various bad moods like depression and self-accusation may appear. According to the research in Canada, the intake of 3 grams of tryptophane each day can enhance the self-confidence for people. Generally speaking, the content of tryptophane contained in food protein is low. Therefore, people should choose the foods containing high content of tryptophane like sea crab and dried meat floss. People can eat the foods before they go to bed, and the bad mood can be gradually removed.

Folic acid plays an important role in protecting the fetuses for pregnant women. It can prevent the inborn defects of the babies. What’s more, folic acid can also improve the mood for people. It can help the human body synthesize a kind of natural depression-resistant substance to increase the level of in the brain and resist depression effectively. Folic acid is mainly contained in green vegetables like spinach and animal livers. Each 100 grams of spinach can contain 347 milligrams of folic acid, and each 100 grams of pork liver can contain 336 milligrams of folic acid. When people are depressed, they can eat vegetable salad to improve the emotion.

Omega-3 fatty acid can prevent depression and hyperactivity for people. What’s more, it can increase the secretion of serotonin by hindering the neurotransmission. Serotonin can send pleasant information to the nerve to make people become peaceful and happy. The best way to supplement omega-3 fatty acid is to eat the marine fish like tunny and menhaden. People can also eat walnut seeds or melon seeds to realize the supplementation. The vitamin B complex contained in nuts can also transform omega-3 fatty acid into dehydroacetic acid inside the human body.

Sugar is very popular among people. Many people like to eat the foods containing sugar to remove the bad mood. For example, people regard glucose as the only source of energy for the human body. Sugar can not only provide energy but also accelerate the secretion of serotonin to make people become happy. In order to avoid obesity and keep healthy, people can choose honey or the fruits which contain abundant sugar in everyday life.