What are the types of laughter, such as smiling and smirking? The more the better,

Laughter can be divided into five types: smile, laughter, wry smile, fake smile and sneer.

Smile is an inconspicuous, silent smile, a slight smile and an international etiquette, which embodies the most sincere mutual respect and closeness of human beings. To laugh is to open your heart and laugh wildly.

Usually laughter is loud, even a little exaggerated, with rich expressions and bursting laughter, which usually lasts for a long time. A wry smile is a forced smile when you are in a bad mood.

Usually the person who smiles bitterly is sad in his heart, but what he shows is an ugly smiling face, like self-mockery, like comforting others, like not caring about the thing that caused the wry smile. A fake smile is a smile that you don't want, which is what you usually say. A sneer refers to a smile that contains contempt, sarcasm, helplessness and anger.

Seven Benefits of Smiling

1, enhancing immunity

Smiling can make the immune system work better. When you smile, your immune function may be enhanced by your relaxation. Smiling can prevent flu and colds.

Step 2 reduce stress

When you smile, your blood pressure will drop significantly. Laughter can relieve unnecessary stress and protect the inner wall of blood vessels, thus reducing the chance of heart attack. When people laugh, they need to mobilize more than 400 muscles in the body, so they can also effectively consume calories.

Step 3 reduce cancer cells

Normal people produce a certain number of cancer cells every day. Fortunately, the "natural killer cells" in our body are the natural enemies of cancer cells, and these immune killer cells can destroy tumor cells. However, studies show that sincere laughter can at least make the 14 gene better expressed, thus regulating the activities of natural killer cells. Smiling helps to prevent cancer.

4. Disease prevention

Keeping smiling or laughing for 20 minutes every day can prevent some diseases. For example, you won't get migraine and backache, but you can also increase the function of digestive tract and respiratory tract, treat arthritis and so on.

5, enhance the digestive function

Laughter can enhance the digestive function, increase the secretion of digestive juice, eliminate intestinal gas and treat abdominal distension.

Step 6 treat diseases

Laughing has the feeling of lifting anus and shrinking kidney, preventing venous congestion, exercising muscles around kidney and anus, and treating diseases such as hemorrhoids and constipation.

7. Promote blood circulation

Laughter is abdominal breathing, which can increase the oxygen content in blood, improve blood circulation, make blood smooth and eliminate toxins in the body.

The above content refers to the seven benefits of people's network smile to make you naturally healthy.