There is no human condition wherein you will be at peak form in multiple areas. Much like the idea of the generalist vs the specialist - your body can't be a specialist in all ways, and in the same vein, there is no diet that will be the "ultimate" diet that will help you achieve peak-ness in all areas. The discussion of lifespan vs health span is a great example of that, as well as the idea of growth and uncontrolled growth (cancer).

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