Fasting morning to drink the salt water is really good?

Many people believe that drinking salt water is conducive to good health, so early morning to drink salt water.
This understanding is wrong. Studies suggest that people not drink water dripping all night sleep, breathing, perspiration, urinary still in progress, however, these physiological activities to spend a loss of a lot of water. Morning drink some boiled water, and soon the blood to be diluted to correct the night of hypertonic dehydration. Drink salt water then it will add to hypertonic dehydration, it is more dry mouth. Moreover, the morning is the first peak of the human blood pressure, drinking salt water will make blood pressure higher. However, patients with diarrhea due to the body sodium loss more, drink salt water would be beneficial to the body.
Opinions and suggestions:
1 drink?
The fresh water is the best choice. The water is boiling from the natural state of water through layers of purification, micro-organisms in the water has been killed in the heat, and water in calcium and magnesium on health is very useful. Studies have shown that the role of calcium, magnesium and other elements of the hard water to prevent cardiovascular disease.
The first cup of morning is best not to drink fruit juice, cola, soft drinks, coffee, milk and other beverages. Soda and cola and other carbonated beverages generally contain citric acid, the metabolism will speed up the excretion of calcium, lower blood calcium levels, long-term drinking will lead to calcium deficiency. And some drinks have a diuretic effect, early morning drinking not only can not be an effective complement to the body of the lack of water will also increase the body's demand for water, but cause the body of water.
(2) what temperature?
Some people like the box the morning after drinking ice cold water, and think this is the most refreshing. In fact, morning drinking water is outdated, because the gastrointestinal been emptying, too cold or too hot water can irritate the stomach, causing stomach discomfort. Early morning to drink water, drink the same water with room temperature the best to drink warm water in cold weather, in order to minimize gastrointestinal irritation. Study found that cooling to 20-25 ° C after boiling drinking water, with a specific biological activity, it is relatively easy through the cell membrane, and can promote metabolism, enhance the body's immune function. Who used to drink warm, cold water, in vivo dehydrogenase activity was higher in the metabolic state, the reduction in the accumulation of lactic acid in muscle tissue, less fatigue. Must be stamped in the dry water the night before, because the water exposed to air for too long will lose activity.
3 drink?
A healthy person should drink at least 7-8 glasses of water (about 2.5 liters), the large amount of exercise or hot weather, water intake should increase. Early morning wake up the day with a body of water the critical moment, at this time to drink 300 ml of water the best.
(4) how to drink?
The early morning drinking water must be a fasting drink, drink plenty of water before eating breakfast, otherwise not receive the promotion of blood circulation, erosion and other gastrointestinal effects. The best small mouth, small mouth to drink water, drinking water, excessive speed is very detrimental to the body, may cause reduced blood pressure and cerebral edema, leading to headaches, nausea, vomiting.