现代生活的节奏是紧张的,紧张是人体在某种刺激下的反应。有时紧张可以使人精神振奋,提高工作效率。但是,科学研究发现,长期过度从事紧张工作的人其生理、心理平衡发生紊乱,危害身心健康。从事紧张工作的人,肾上腺髓质会释放出大量的肾上腺素,这种物质能使心肌收缩加快,使蛋白、脂肪和糖原转变成葡萄糖,进而造成血糖升高,并且会使氧的消耗增加,由于上述变化,使人体表现为焦虑不安、情绪波动、恐惧惊慌、注意力不集中、失眠、多梦、记忆力减退等。长期下去还会导致神经衰弱综合征、高血压、冠心病、胃肠疾患、 The rhythm of modern life is tense, tension is the body’s reaction in a certain stimulus. Sometimes nervous can make people excited, improve work efficiency. However, scientific research has found that people who have been engaged in excessive work for long periods of time suffer from disturbances in their physical and psychological balances and endanger their physical and mental health. People engaged in stressful work, adrenal medulla release a large number of epinephrine, this substance can make myocardial contraction faster, so that protein, fat and glycogen into glucose, resulting in increased blood sugar, and will increase oxygen consumption , Due to the above changes, the body showed anxiety, mood swings, fear panic, inattention, insomnia, dreams, memory loss and so on. Long-term will lead to neurasthenic syndrome, hypertension, coronary heart disease, gastrointestinal disorders,