Why do people sweat when the weather is hot?

This is because the temperature in summer is high, which affects the body's internal and external body temperature. The organs are prone to edema when exposed to excessive temperatures, which is life-threatening. Therefore, in summer, the human body will secrete a large amount of body fluids to maintain a normal body temperature. Some people sweat more and sweat less, which is related to many reasons. Such as obesity. Body fat is like a sponge used to keep warm. It has a strong insulation effect.

The human body also generates a lot of heat due to exercise