What's good to drink in hot weather?

It is best to drink light salt water, which can not only supplement the lost salt, but also contain no additives and other substances harmful to the human body.

Pale salt water, low concentration salt water, mammals need 0.9% physiological salt water, birds need 0.75%, amphibians need 0.65%.

Generally, after dinner, food residues will stay in the intestines for a long time. If you don't drink water for one night, bacteria and molds in the intestines will ferment to produce harmful substances. Some people often feel queasy or have a bad smell in their mouths after getting up in the morning, which is caused by rotten food residues in their stomachs. After getting up in the morning, drinking a cup of warm and light salt water on an empty stomach can clean the residue, disinfect and sterilize, prevent constipation caused by excessive absorption of water by the colon, prevent chronic gastritis and improve autoimmune function, which can be described as killing two birds with one stone.

It is best to drink 500 ml of light salt water at a time (ordinary spoon110 edible salt is enough), and the water temperature is between 20 and 30℃. People with hypoglycemia can also drink a cup of warm honey water at night, which will prevent constipation more obviously.