从事脑力劳动的人,由于神经系统长期处于紧张状态,容易引起头痛、头昏、失眠等神经衰弱症侯;加之平时体力活动及锻炼较少,致使心肌收缩力较弱、新陈代谢低、身体各系统的功能也较低下,例如,胃肠功能弱,会影响食物消化和吸收,并容易发生便秘、甚至出现胃下垂等疾病。脑力劳动者大脑工作时比其他组织 People engaged in mental work, due to nervous system long-term tension, easily lead to headache, dizziness, insomnia and other neurasthenic Hou; coupled with the usual physical activity and exercise less, resulting in weak myocardial contractions, low metabolism, the body system For example, gastrointestinal function is weak, will affect the digestion and absorption of food, and prone to constipation, and even gastroptosis and other diseases. Brains work better than other organizations in the brain