结果表明，心肺功能锻炼可能有助于改善大脑健康，减缓灰质下降。心肺健康与大脑健康，特别是灰质和总脑体积（大脑中与认知能力下降和衰老有关的区域）之间存在关联。

心肺运动——快走，跑步，骑自行车，还有其他任何能让你心脏跳动的运动——不仅对你的身体都有好处，还能减缓你大脑的认知变化。

Keep exercising: New study finds it's good for your brain's gray matter

https://www.sciencedaily.com/releases/2020/01/200102094314.htm

Journal Reference:

1. Katharina Wittfeld, Carmen Jochem, Marcus Dörr, Ulf Schminke, Sven Gläser, Martin Bahls, Marcello R.P. Markus, Stephan B. Felix, Michael F. Leitzmann, Ralf Ewert, Robin Bülow, Henry Völzke, Deborah Janowitz, Sebastian E. Baumeister, Hans Jörgen Grabe. Cardiorespiratory Fitness and Gray Matter Volume in the Temporal, Frontal, and Cerebellar Regions in the General Population. Mayo Clinic Proceedings, 2020; 95 (1): 44 DOI: 10.1016/j.mayocp.2019.05.030