Why not eat more when the weather is hot?

Eat some light and refreshing food, minimize physical exertion, and don't eat snacks unless you want to continue skipping meals. Bean jelly, cold noodles, or a refreshing cold dish when eating. According to biology, too high or too low temperature will affect the activity of enzymes, while pepsin and amylase will digest food. Therefore, high temperature will reduce the activity of enzymes in human body and affect appetite. Eating sour food at high temperature will increase stomach acid, thus increasing appetite.