“Also, there is a huge amount of evidence showing that the Mediterranean diet is the best diet we’ve got so far for brain and heart,” she added. “That includes a lot of whole grains. We’re going to need a lot more research if the ketogenic diet is going to be widely recommended as an alternative to that approach as a prevention against dementia.

她还说：“还有大量的证据表明，地中海式饮食是迄今为止我们对大脑和心脏最好的饮食。” “这包括很多全谷物食品。如果生酮饮食被广泛推荐作为预防痴呆的替代方法，我们还需要更多的研究。

that approach 表示 Mediterranean diet，因为 Mediterranean diet 的作用是 a prevention against dementia。