Drinking cold boiled water first thing in the morning can promote human defecation in the morning, stimulate the nervous system, and achieve the effects of refreshing and condensing qi. In addition, drinking cold boiled water first thing in the morning can also replenish the water in cell fluid, dilute blood concentration and accelerate blood circulation. As the saying goes, stomach qi is the weakest in the morning, and drinking cold water to stimulate stomach qi is the first health care. When people just wake up from sleep, their stomachs are weak and they can't eat immediately. They should drink cold boiled water to stimulate the gastrointestinal tract and make the hypothalamus hungry before eating breakfast. However, it is worth noting that the temperature is relatively low in cool and white, and the yang of the human body is slowly rising in the morning. At this time, drinking a cup of cold boiled water will lead to weak yang fire in the human body, and drinking cold boiled water for a long time will make people suffer from heart disease. Cold water can cause gastric mucosal contraction, affect people's digestive ability, and even lead to stomach pain, abdominal pain and diarrhea in people with weak spleen and stomach. Drinking cold water for a long time will lead to the combination of cold and dampness, and the yang will be damaged. People will have diarrhea, abdominal pain, loss of appetite and emaciation.

So we suggest drinking a cup of warm water near room temperature when getting up early. Normal temperature water can drive away cold and nourish stomach, accelerate blood circulation and reduce the probability of cardiovascular disease. Fresh boiled water is clean, mild and non-irritating to the mouth and throat. Does not stimulate the gums, which is not conducive to protecting the gums. Drinking a cup of warm water in the morning can not only relieve constipation, reduce the occurrence of cerebral thrombosis and myocardial infarction, but also help the stomach to digest and absorb better. The moisturizing effect of warm water can stimulate the secretion of hormones. Such as thyroid and adrenaline, which can improve the metabolic capacity of the human body and accelerate the excretion of toxins in the body. Drinking a cup of warm water in the morning can accelerate the metabolism of fat and sugar, give people a certain sense of fullness, reduce food intake and achieve long-term weight loss.