What are the benefits of Chinese opera?

The benefits of China's traditional drama are as follows:

1, releasing hormone. Professor robert baker of the University of California has made a long-term study on the role of singing opera. He said, "Stress will affect the body's immune system. If you feel good about what you are doing, your immune system will be strengthened. "

2. Enhance immune function. Singing opera can not only make people feel happy, but also enhance the immune function of the human body. Researchers at the University of California found that the content of an immunoglobulin called IgA in choir members increased by 150% after each rehearsal and by 240% after a public performance.