It is easy to catch a cold in winter. Why is it easy to catch a cold in winter?

It is easy to catch a cold in winter. Why is it easy to catch a cold in winter?

Because when it is cold, people usually want to stay indoors. If they don't get sunlight, they will lack vitamin D. And the probability of catching a cold virus in a closed space is greatly increased. Dry air will make people's mucous membranes dry and make colds worse. Cold air in winter will reduce the ability of cells in nasal cavity to respond to invasive viruses, so the prevalence rate will increase. It is very cold and windy in winter, so people are prone to catch cold. After the body cools, the resistance is weakened and the virus takes the opportunity to move.

Colds are mainly transmitted through the air. When a patient coughs or talks, saliva particles are ejected from his mouth into the air. These saliva particles contain a lot of viruses, which can cause colds when others breathe. These viruses may temporarily hide in people's noses and throats, and will only prevail when people's body resistance is weakened. It's too cold outside in winter. People always like to live indoors, so it is necessary to close the doors and windows to keep the room warm. Because people are concentrated indoors and the ventilation is not good, it creates favorable conditions for the virus to spread between people. To prevent colds, we must first exercise one by one. Especially to improve the body's resistance to cold. Taking a cold bath often is a good way to exercise and resist the cold.

Cold face can be washed every day, which is easy to stick. The cold water bath must be carried out step by step in a certain way. Every summer, the time is extended from 5 minutes to 1 minute. You can wipe your body with a dry towel after washing. Cold is the most common respiratory disease, which belongs to exogenous diseases. If people are weak and lead a chaotic life, they will catch a cold, and young people will have symptoms such as fatigue, runny nose and cough. In severe cases, they will have a fever and sore throat. There are four kinds of colds: cold, cold, cold, cold, cold and cold. According to syndrome differentiation and treatment, different types of colds must be treated with different drugs. A cold doesn't hurt. You must endure symptoms such as stuffy nose, sneezing, cough and headache. It can be said to be very painful.