How many people will feel uncomfortable when the air pressure is lower than?

It is generally believed that when the air pressure is 7.4× 10 14 Pa (equivalent to the height of 1500 meters), the human body will have a series of physiological changes, but it can generally adapt to them. When the air pressure is lower than 5.3×10/4 pa, it will

In fact, it mainly has an impact on human health, which can be summarized as physical and psychological aspects. The influence of low pressure on human physiology is mainly the supply of oxygen in human body. Due to the lack of oxygen in the human body, especially in the brain, dizziness, headache, nausea, vomiting, weakness and other symptoms will occur, and the nervous system will also be damaged, and even pulmonary edema and coma will occur, which is also commonly known as "mountain reaction."

The influence of low air pressure on people

Moreover, low air pressure will also affect people's psychological changes, making people feel depressed and depressed. For example, in rainy and snowy weather with low air pressure, especially in hot and humid weather before thunderstorm in summer (when the air pressure is low), people with poor cardiopulmonary function will feel extremely uncomfortable, and normal people will also feel depressed and uncomfortable.

And this kind of suffocation and depression will make people's autonomic nerves tend to be nervous, release adrenaline, cause blood pressure to rise, heartbeat to accelerate, and shortness of breath; At the same time, cortisol is decomposed, which leads to an increase in gastric acid secretion, easy infarction of blood vessels and a sharp rise in blood sugar.