我们都会慢慢变老，但它并不是一夜之间让大脑“掉线”，衰老更像一种悄悄发生的改变：记忆变慢、注意力分散、偶尔犯点小迷糊。对许多人来说，比起担忧衰老会不会来，我们更想知道：有没有办法让它来得慢一点？

When most people think about aging, they imagine a linear progression towards an inevitable end. They think in terms of birthdays, knowing that the more candles on the cake, the more we should ...