How is washing head headache to return a responsibility?

summary

I am an office worker. I am very busy with my work every day. I often like to wash my hair when I come back from work at night. Modern people are busy with their work and life. They often wash their hair at night. Many people say that washing their hair at night is easy to cause cold and headache. Some people go to bed before their hair is dry after washing their hair at night. Let's take a look at the following.

How is washing head headache to return a responsibility?

First: patients must pay attention to the evening shampoo easily lead to cold, which has a great relationship with our body temperature regulation. We all know that the human body does not constantly generate heat when it metabolizes. In order to maintain the stability of the temperature in the body, the blood circulation will put part of the heat in the body on the body surface and disperse it through radiation, transmission and convection. People in normal physical condition generally have a balance between heat production and heat dissipation, and the two balance each other to keep the body temperature in the normal range.

Second: some people with poor physical resistance, their body temperature automatic regulation function will be poor, once some parts of the body are attacked by cold, it is easy to catch a cold. For example, when you wash your hair, the capillaries on your scalp will expand due to the warm effect of hot water on your head, and the heat in your body will be sent out in large quantities. When your hair is wet, it will also take away the heat from your head when it evaporates.

Third, we must pay attention to the fact that the heat dissipation of the head increases and the body is frozen, which will cause the contraction of the capillaries in the respiratory tract, reduce the local blood flow and reduce the resistance of the upper respiratory tract. At this time, people will be very vulnerable to the invasion and infection of bacteria and viruses, grow and reproduce in the body, leading to respiratory tract infection, So they have a cold, a runny nose, headache, fever and other symptoms.

matters needing attention

Be sure to understand that if you wash your hair at night, you can go to bed if you have enough time to dry your hair. This will reduce the function of the body's thermoregulatory center and easily lead to colds. Under normal circumstances, you should not wash your hair before going to bed. If you want to wash it, you must dry it with a dry towel after washing, and then blow dry your hair with an air duct. You can go to bed after your hair is dry, so as not to cause cold and headache.