Jiangxi is directly from 40℃ to 17℃. What effect will the sudden drop in temperature have?

The first is that cold stimulation will increase the risk of heart disease. Lower temperature will stimulate blood vessels to contract, thus reducing skin heat dissipation and keeping warm. However, vasoconstriction will lead to an increase in blood pressure and increase the burden on the heart, thus increasing the probability of angina pectoris and myocardial infarction. Studies have shown that the risk of heart disease increases by 7% when the temperature drops 10 degrees Celsius. How to deal with it? Add clothes in time according to the temperature change, especially when the temperature difference between indoor and outdoor is large in winter. It is very important to keep warm when going out.

Secondly, a sudden drop in temperature will lead to a drop in body temperature. In order to maintain body temperature balance, the body will make compensatory reactions, such as contracting blood vessels to reduce heat loss, stimulating nerve excitement, increasing oxygen consumption and increasing heat production, thus accelerating heart contraction and providing sufficient oxygen for various tissues, leading to accelerated heart rate, increased blood pressure and increased heart burden, which is easy to induce various heart attacks.

Besides, it leads to traffic paralysis. The temperature in the south plummeted, and sleet weather appeared in many places. Students in the north should not underestimate the sleet. This weather is very painful, extremely cold, and the roads are icy and slippery. Because of the icy roads, many trains had to stop running and wait for orders that year. People on the train are like ants on hot bricks. It was a painful time. Moreover, it was the Spring Festival, and everyone was in a hurry to go home, and they didn't know when they would resume normal operations.

You know, keeping warm is the most important thing to resist the cold winter. With the arrival of strong cooling weather, people with poor resistance are prone to catch a cold and even suffer from respiratory infections such as influenza. During the epidemic prevention period, the number of common colds, flu, etc. The symptoms are similar to those in COVID-19. Viruses are more likely to survive in cold conditions, so it will increase the difficulty of epidemic prevention and control. Going to a medical institution for treatment may increase the risk of infection and bring certain difficulties to the identification of medical institutions. Pay more attention to a healthy lifestyle and keep warm from the cold. Besides novel coronavirus, we should also prevent respiratory infectious diseases, such as the common cold and flu.