Pumpkins: Pumpkins can create a good mood because they are rich in vitamin B6 and iron. These two nutrients can help the body to convert stored blood sugar into glucose, which is the only "happy fuel" in the brain.

Low-fat milk: A study by Mount Sinai Medical Center in new york found that after giving women with PMS 1000 mg calcium tablets for 3 months, 3/4 of them relieved their nervousness, irritability or anxiety to varying degrees.

Whole wheat bread Dr. Judith Wattman of Massachusetts Institute of Technology said that eating complex carbohydrates such as whole wheat bread and soda crackers, which contain trace minerals such as selenium, can improve mood, just like antidepressants.

Banana: Banana contains a substance called alkaloid, which can boost spirit and confidence. In addition, bananas are a super source of tryptamine and vitamin B6, which can help the brain to produce serotonin and reduce depression.

Deep-sea fish: Studies show that people who live by the sea are happier. This is not only because the sea is fresh, but also because they live on fish. According to the research report of Harvard University, omega-3 fatty acids in fish oil have similar effects with commonly used antidepressants such as lithium carbonate.