Laughter has many benefits, which can relieve stress, relieve pain, promote digestion and absorption of food, and promote lung function, which is of great benefit to human health.

1. Relieve stress: Laughter is a good way to relax, which is beneficial to body and mind, and can also relieve stress and reduce negative emotions. When you laugh, your brain doesn't think too much. If you are upset at this time, you can get rid of this negative emotion by smiling more.

2, relieve pain: when laughing, brain nerve cells will release endorphins, which will help to alleviate human pain to a certain extent, but also relax some blood vessel walls and avoid local pain, but it cannot replace drug treatment;

3. Promote digestion and absorption: Laughter is an effective digestive agent. When laughing, the body will vibrate, the diaphragm will move, the internal organs will be massaged, and it can also promote the secretion of digestive juice, thus promoting the digestion and absorption of food to a certain extent;

4, promote lung function: laughter from the abdomen, can convert chest breathing into abdominal breathing, can expand the lungs, but also increase lung vitality, to a certain extent, can make the respiratory system run more smoothly.