Why does weight change with the seasons?

In summer, due to the hot weather, people's activities increase, they sweat more and consume more energy. In addition, the summer weather is sultry, people generally lose appetite and turn to light food, which contains low calories, thus causing insufficient supply of calories in the body. In autumn, autumn wind and autumn rain make the weather cool. Without the heat, people's taste will be enhanced, their appetite will be greatly stimulated, and their diet will be unconsciously excessive, which will greatly increase their calorie intake. Prevention of obesity in white-collar workers, coupled with pleasant climate, adequate sleep and reduced sweat. In order to welcome the arrival of cold winter, the body will actively store fat to keep out the cold, so the body takes in more calories than it gives out. People will gain weight if they are not careful.