清晨喝一杯水之所以有此功效,是因为人经过整夜睡眠,胃肠道基本排空,血液的粘稠度增加,因此早起喝杯水能洗刷胃肠,降低血脂稠度,对维持血液正常循环有益。由于空腹饮用凉开水,降低了胃肠的温度,润湿胃肠,增加胃肠蠕动,有助于消除便秘, Drink a glass of water in the morning the reason why this effect, because people sleep through the night, the basic gastrointestinal emptying, increased blood viscosity, so get up early to drink glass of water to wash the gastrointestinal tract, reduce blood fat consistency, to maintain normal blood Circulating benefits. As fasting drink cold water, reducing the temperature of the gastrointestinal tract, wetting the stomach and intestines, increase gastrointestinal motility, helps to eliminate constipation,