此前已有研究发现,人饥饿时胃黏膜中会产生一种激素,它对于人的食欲有重要影响。而耶鲁大学的科学家最近研究发现,这种激素还对大脑中负责学习区域内的神经细胞有影响。动物试验表明,这种激素能显著促进实验鼠的学习能力和记忆力。科学家解释说,这种激素在胃黏膜中产生后借助血 Previous studies have found that when people are hungry, there is a hormone in the gastric mucosa that has an important effect on human appetite. A recent study by scientists at Yale University found that this hormone also has an effect on nerve cells in the brain responsible for learning the area. Animal experiments show that this hormone can significantly promote the learning ability and memory of mice. Scientists explain that this hormone produces blood in the mucosa of the stomach