Singing loudly can not only increase facial muscle movement, improve blood circulation in neck and face, but also increase human vital capacity and slow down the decline of cardiopulmonary function, which is known as "aerobic fitness method".

Foreign scientists compared 20 old singers with their peers who didn't sing often, and found that the singers had muscular chest wall, good cardiopulmonary function and slow heart rate. Studies have confirmed that singing is an exercise of breathing muscles under certain conditions, and its benefits are no less than running, swimming and boating. Many professional singers live 65,438+00 years longer than ordinary people.

Singing can also make people's blood composition change, which is helpful to improve human immunity. After studying professional singers, experts from Frankfurt University found that singing can increase the concentration of protein-immunoglobulin A in human immune system, thus improving human immunity.