A group of scientists in the USA found the relationship between aerobic fitness and hippocampal volume: more aerobic exercise, greater hippocampal volume and better spatial memory. The study was based on 165 nondemented older adults.美国科学家发现有氧运动能增加大脑海马体积并提高空间记忆能力。研究结果发表在最新一期《海马》（Hippocampus）杂志上。
(Picture from the Internet)
