What good is it to see jokes?

Do you know what is the advantage of watching jokes?

B: It can cultivate sentiment and promote blood circulation.

Enhance immunity. Can also treat depression,

Schizophrenia, Alzheimer's disease, osteoporosis.

Keywords myocardial infarction, coronary heart disease, cerebral thrombosis,

And upset, insomnia, memory loss. .

A: Oh, with so many benefits, why do you need a doctor?

B: You can't find a doctor if you laugh. What would you do?