长期以来，成人抑郁症与海马体（hippocampus）萎缩有关，海马体是大脑中一个在记忆和应激反应中起重要作用的区域。现在，新的研究已经将参加团体运动与儿童海马体体积更大、9至11岁男孩抑郁程度更低联系起来。

How team sports change a child's brain

https://www.sciencedaily.com/releases/2019/03/190321135154.htm

1. Lisa S. Gorham, Terry Jernigan, Jim Hudziak, Deanna M. Barch. Involvement in Sports, Hippocampal Volume, and Depressive Symptoms in Children. Biological Psychiatry: Cognitive Neuroscience and Neuroimaging, 2019; DOI: 10.1016/j.bpsc.2019.01.011