Why do northerners suffer from joint pain all over their bodies in summer when they come to the south?

It may be acute rheumatoid arthritis caused by the humid weather in the south. It is not a problem. Strengthen exercise and improve physical fitness. Avoid cold, rain and moisture. Keep your joints warm and avoid wearing wet clothes. clothes, wet shoes, wet socks, etc. It’s hot in summer, so don’t be greedy for cold, exposure, or excessive drinking of cold drinks. The climate is dry in autumn, but the autumn breeze brings coolness and the weather turns cooler. It is necessary to prevent the wind and cold. Winter winds are biting, so keeping warm is the most important thing.