健腦

perpetuate: to make something such as a bad situation, a belief, etc. continue for a long time

ingrained: (of a habit, an attitude, etc.) that has existed for a long time and is therefore difficult to change

concerted: done in a planned and determined way

Research shows that older people who remain physically active throughout old age have more proteins in the brain that keep the connections between the neurons strong and healthy.

rumination: the act of thinking deeply about something; deep thoughts about something

exhume: dig up

dismantle: the act of thinking deeply about something; deep thoughts about something

Nicole Vignola "Rewire"

如果年紀大了還常常運動，腦袋裡的「連接」會比較健康。

這些連接就像電線，把腦細胞連在一起。

運動能幫助腦袋製造更多「保護電線的材料」，讓腦細胞之間的訊息傳得更快、更清楚。

「保護電線的材料」不是髓鞘，而是另一類叫做突觸蛋白。它們不是包住神經的，而是幫助腦細胞之間的「接頭」更牢固，讓訊息在細胞之間傳遞得更好。

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