When the human body catches cold, the blood vessels in the respiratory tract contract, the blood supply decreases, and the local antibodies decrease, pathogenic microorganisms will take advantage of it.

2. Don't be tired

When tired, the immune function is weak, the resistance is poor, and it is easy to be invaded by viruses.

3. Avoid mental stress and sadness.

Medical experts have found that nervous or sentimental people have lower local immunity.

4. often dry bedding

After the sweat and oil evaporated by human body are soaked in bedding, bacteria and viruses can easily multiply and grow. Often airing bedding can kill these bacteria and viruses through ultraviolet rays in the sun, making bedding dry and soft, which is conducive to preventing colds.

5. Wash your hands often

Many people think that colds are spread by inhaling gas from patients. In fact, contact transmission is also the main route of transmission of colds. When a cold patient touches his nose, his hands will be infected with cold virus, and these viruses will be taken to the places touched by the patient, such as doorknobs, telephones, desks and chairs, car handrails and so on. Once healthy people touch these polluted objects, their hands will be infected with viruses, and if they don't wash their hands often, they will easily catch a cold.

Tips for keeping healthy in winter: So much for daily cold care. Soak your feet with hot water every night (the temperature is unbearable) 15 minutes. Pay attention to the fact that the amount of water should not exceed the foot surface when soaking feet, and the feet should be red after soaking feet to prevent colds. Bian Xiao will pay close attention to more related contents such as winter health skills and common sense.