In summer, many people like to drink cold drinks such as iced drinks to cool down. In fact, this is only a temporary enjoyment, but hot weather is more likely to cause heat stroke. After entering the gastrointestinal tract, a large number of cold drinks will quickly bring about the following four adverse consequences.

First, excessive drinking of iced drinks, especially carbonated drinks, requires dilution of the body's water, making the body more vulnerable to heat attacks;

Second, cold food causes gastrointestinal spasm contraction, leading to abdominal pain, diarrhea and other symptoms;

The third is eating too cold foods will increase the burden on the heart, dilute gastric juice, affect digestion, causing nausea, vomiting, etc.;

The fourth is that cold drinks enter the body. The body temperature drops sharply, and heat accumulation in certain parts of the body can not be distributed, so that the chance of heat stroke is doubled.

The above points act on the human body at the same time, it is easy for people to suffer from heatstroke.

In fact, drinking a cup of hot tea is the magic weapon for hot weather. This is because drinking hot tea can promote the opening of the pores and promote the secretion of sweat glands. A large amount of water in the body will seep through the pores of the skin and evaporate away. At the same time, it will take away the heat from the body to make the cooling effect better. In addition, hot tea can play a good diuretic effect, so that excess heat in the body with the urine excreted. And hot tea in the tea polyphenols, pectin, amino acids, sugar and other substances, can react with saliva in the mouth, nourish the mouth, make people feel cool.