1. In dog days, be careful not to blow the air conditioner outlet to your head and face. After catching cold, muscles are prone to local muscle stiffness and poor blood circulation.

Drinking cold drinks is one of the ways to relieve summer heat and cool down. Drinking a lot of cold drinks on an empty stomach will stimulate the blood vessels and nerves in the gastrointestinal mucosa and cause gastrointestinal dysfunction.

Many people insist on exercising every day, and usually sweat profusely after strenuous exercise. At this time, don't rush to take a shower. You can rest in a cool place for about half an hour first, and then take a shower when the sweat on your body is dry.