10 tips to prevent colds in winter

　　1. Regular ventilation

　　In winter, windows and doors are usually closed tightly, resulting in excessive indoor and outdoor temperature differences, high indoor temperatures, relatively low humidity, and poor air circulation, making it easy for some pathogenic bacteria and viruses to invade the body. Therefore, even in the cold winter, windows should be opened regularly to ventilate, improve air circulation, and increase indoor humidity.

　　2. Insist on outdoor activities

　　The respiratory tract is not stimulated by outside air for a long time and cannot withstand cold weather. exercise , contacted cold After the disease, patients are prone to illness due to poor resistance to pathogenic bacteria. Therefore, you should insist on doing outdoor activities. When the weather is cold, you can choose a time when the sun is sufficient and the wind is light. Activities in nature for half an hour to an hour can improve your physical fitness.

　　3. Eat properly

　　A reasonable diet can increase the body's disease resistance. Therefore, it is good for the body to eat nutritious and vitamin-rich foods in winter, including meat, dairy products, eggs, soy products, and fresh vegetables. Remember to have breakfast, because a complete breakfast is a good barrier for people to transition from a warm environment indoors to a cold outdoor environment.

　　4. Reasonable life schedule

　　Colds are caused to some extent by viruses. It is said that there are more than 200 types of viruses that can cause colds. If you want to avoid the impact of the virus, you should pay attention to your daily routine and balanced diet. Overwork, lack of sleep, and excessive stress can easily weaken the body's immunity, giving the virus an opportunity to take advantage of it. Some researchers have found that when people are sleeping, bacteria in the body can produce a substance called "muramic acid", which can enhance the body's immunity and can speed up colds and other viruses. disease of recovery.

　　5. Wash your hands frequently

　　Colds are contagious. If you touch something with the virus on it, the virus will invade the mucous membranes of your mouth and nose through your hands. Or you can become infected by inhaling the virus that is released when a cold patient coughs. So it is very necessary to develop the habit of washing hands with soap.