The weather is getting cold and colds are frequent.

When the seasons change, especially when the weather turns from hot to cold, people are particularly prone to catch a cold. We often hear the concern of our families? It's cold, remember to put on more clothes in case you catch a cold. ? When the weather is hot and cold, the number of people who catch a cold will increase, especially those who are in poor health will definitely catch a cold.

1, why do people easily catch a cold when the weather is hot and cold?

People catch a cold because the virus in the air enters the body and destroys the immune system, so it can induce a cold. There are many viruses in the air of human life. Under normal circumstances, the body's own immune system can destroy these viruses. But once the weather changes, once people catch a cold, get wet in the rain or get overworked, the immune system will decline, and the virus will enter the body and cause a cold.

2. How to prevent colds in daily life?

First, pay attention to the weather changes. Always watch the weather forecast to prevent the weather from getting cold. You must put on more clothes when it is cold. When it is hot, don't take off your clothes casually. Be sure to cover the quilt at night. The purpose of doing these things is to avoid catching a cold.

Secondly, pay attention to diet. In daily life, we must eat reasonably and pay attention to balanced nutrition. A good body needs nutrition. If our daily diet can't provide the body with the required ability, it will lead to weakness and make the body sick. Eat more fruits and vegetables, eat less spicy, greasy and cold food, and pay attention to the collocation of meat and vegetables.

Third, strengthen physical exercise. People who like fitness will have a particularly good physique and are not easy to get sick. People who insist on exercising have good physical fitness and strong immunity, so the virus will not easily invade the body and catch a cold. In daily life, we must strengthen physical exercise to make our body great.

Fourth, develop good habits of work and rest. People who often stay up late, the body's immunity will be particularly poor and it is easy to catch a cold. Be sure to get into the habit of going to bed early and getting up early, don't stay up late, and don't tidy up your mobile phone before going to bed, so as to get enough rest.