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咖啡咖啡,对于白领们是再熟悉不过的饮品了,它是加班熬夜的提神利器。咖啡中含有的咖啡因,进入体内后会促使交感神经兴奋,因而消除睡意、改善血液循环,身体也感觉暖和起来,不觉得疲劳,所以有“提神”效果。但是交感神经受到刺激、兴奋,对食欲却有负面作用,因此在餐前喝咖啡会不想吃东西。另外,由于胃部受到刺激而胃液分泌增加,刺激空胃,对胃溃疡等患者不利。但是在餐后饮用,则因为胃液分泌会增加,所以对消化有帮助。
Coffee coffee, white-collar workers are more familiar drinks, and it is overtime stay up all night refreshing weapon. Coffee contains caffeine, into the body will promote the sympathetic excitement, thus eliminating the drowsiness, improve blood circulation, the body also feel warm, do not feel tired, so there is “refreshing” effect. But sympathetic stimulation, excitement, has a negative effect on appetite, so do not want to eat coffee before eating. In addition, due to stimulation of the stomach and increased secretion of gastric juice, stimulate the empty stomach, and other patients with gastric ulcer adverse. However, after drinking, because the secretion of gastric juice will increase, so help digestion.