天气转凉,仍有不少人坚持外出锻炼,在寒冷的季节外出锻炼后切勿马上吃烫食。冬季清晨时锻炼,如果热身不到位,冷空气会对鼻腔、气管、食道起到暂时的降温作用,使机体出现“冷适应”。锻炼结束后,若马上就吃刚做好的烫食,如稀饭、馄饨、豆浆等,会使处于冷适应状态下的食管黏膜层及附近组织的毛细血管不能一下子承受过烫食物的刺激,出现暂时性调节功能紊乱,严重的会吐血、便血等。 The weather turns cold, there are still many people insist on going out exercise, do not eat hot food immediately after exercise in the cold season. Winter morning exercise, if the warm-up is not in place, cold air will nasal, trachea, esophagus to play a temporary cooling effect, so that the body appears “cold adaptation ”. After exercise, if you just eat immediately hot food, such as porridge, ravioli, soy milk, etc., will be in the state of cold adapted esophageal mucosa and nearby capillaries can not suddenly withstand the stimulation of hot food, Temporary dysfunction occurs, severe hematemesis, hematochezia and so on.