It's very hot in summer. What dietary health problems should individuals pay attention to?

In summer, you will definitely sweat a lot after exercise. At this time, it is best to supplement physiological saline or glucose. You can't sit down and drink cold water or drinks immediately after exercise, which may lead to cardiac arrest or other sudden diseases, and you can't stay in an air-conditioned room for a long time, which may lead to air-conditioning diseases.