Many people may have heard that cold weather or rain will cause a cold or the flu. But in fact, a cold is caused by a viral infection in the respiratory system. It may also be caused by other factors such as a weak body. Not exercising, and eating unhealthy foods. However, having a cold may be related to the weather because the flu virus can grow well in humid weather, especially during the rainy season or cold weather.
Misconceptions about cold weather and colds
For contagious diseases, cold weather may not be the factor that makes people sick, but germs are the main cause of everyone’s illness. Everyone can catch a cold only if they are infected with rhinoviruses. Which are the cause of colds that cause inflammation of the sinuses from infection, or infected with the flu that turns into the flu. Rhinoviruses and influenza viruses tend to spread during the rainy and winter seasons, especially during the rainy season, when there is high humidity and germs thrive. In addition, strong winds during the rainy season can also make it easier for germs to spread.
The reason why many people think the weather causes them to catch a cold
In fact, cold weather does not cause colds. Rather, it can be cause by a condition call hypothermia, or low body temperature. This condition can lead to colds because low body temperature can suppress the body’s immune system to fight off the viruses that cause colds or flu.
When the body is exposed to rain in the rainy season. Or encounters cold air in the winter. It may cause the temperature of the nasal mucosa to drop and cause vasoconstriction, especially the blood vessels that are closest to the upper skin layer, such as the blood vessels in the nose. This condition causes dryness that affects the function of the filter for infection in the nose, causing nasal congestion, resulting in frequent mouth breathing when the nasal congestion is severe, which is an opportunity for the mucus containing the virus to trigger a cold.
However, rain and cold weather are not conditions that cause colds. However, these two seasons may increase the risk of colds and flu. Because people tend to stay indoors more, the air circulating in buildings can be a source of germs that can easily enter the body. In addition, being trigger by other factors can also make it easier to get colds or flu.
When it’s cold, the air can also become much drier. Dry air is often associate with dry sinuses. According to the สนใจสมัคร? คลิกที่นี่เพื่อเริ่มต้น of Health in the U.S., influenza viruses survive and spread best in dry air. In cold temperatures, viruses are harder to adapt to and are easier to spread.