夏季,烈日炎炎,高温逼人,对人体心理钟、生理钟的运转均不利,极易引起心理上的焦虑,出现烦躁不安、好发脾气等现象。有人平素温文尔雅,不急不怒,可到了夏天,却变得性情焦躁,常常为了小事大动肝火。这是因为气候的炎热加剧了人的心理紧张,促使机体肾上腺素及去甲肾上腺素分泌增加,导致兴奋性过高而容易“激惹”。特别是老年人,由发火生气所致的心肌缺血、心律失常、血压升高并不少见,甚至因此发生猝死。研究发现,人的心理、情绪与躯体可通过神经——内分泌——免疫网络互相联系、互相影响。所以,此时 Summer, hot sun, pressing at a high temperature, on the human mental clock, circadian clock are adverse, easily lead to psychological anxiety, irritability, temper tantrums and so on. Some people are generally gentle, not irritable, can be summer, but become agitated, often to triviality. This is because the hot climate exacerbated the psychological stress, promote the body’s epinephrine and norepinephrine secretion, leading to excitability and easy to “provoke.” Especially the elderly, caused by angry angry myocardial ischemia, arrhythmia, elevated blood pressure is not uncommon, and even sudden death. The study found that people’s psychology, emotion and body can be related to each other through the neuro-endocrine-immune network. So at this moment