Laughter is the very useful activities, do not laugh it is easy to illness, laughter also enable the human body chest, abdomen, liver, heart and lung as well be a useful exercise: the body caused by internal activities to promote the secretion of the endocrine system, help reduce disease, relieve of anxiety and depression. But cachinnation is not conducive to health, especially in patients with coronary heart disease.
Because cachinnation will accelerate blood circulation, so that the pulse speed up, breathing, the number of blood pressure, increased cardiac oxygen consumption, easy to induce angina pectoris in patients with coronary heart disease, myocardial infarction or even possible. For some patients with cerebrovascular disease may also be sudden cerebral thrombosis, cerebral hemorrhage, or even sudden death.
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