2, malnutrition Modern people's diet is often too high in calories, incomplete in nutrients, coupled with too many artificial additives in food, artificially raised animals have short maturity and lack of nutrition, leading to the lack of many important nutrients and obesity, and the body's metabolic function is disordered.
3. Noise suppresses the development of science and technology, the progress of industry, and the increase of vehicles and population, which makes many people living in cities have a narrow living space and are disturbed by noise, which has a lot of adverse effects on the cardiovascular system and nervous system of the human body, making people fidgety and depressed.
There are many high-rise buildings, many high-rise buildings with air conditioning, and the rooms are closed. Air conditioning is used all year round. In this environment for a long time, the concentration of negative oxygen ions in the air is low, which reduces the oxygen concentration in blood and the utilization rate of oxygen by tissues and cells, and affects the normal physiological function of tissues and cells. Therefore, people living in high-rise buildings should always walk on the ground and breathe in time when using air conditioning.
5. In the process of evolution, the human body has formed an inherent law of life movement-"biological clock", which maintains the law of qi and blood movement and metabolism in the process of life movement. Race against time will destroy this law and affect the normal metabolism of the human body.