That food should be fresh and natural has become an article of faith. It comes as something of a shock to realize that this is a latter-day creed. For our ancestors, natural was something quite nasty. Natural often tasted bad. Fresh meat was rank and tough; fresh milk warm and unmistakably a bodily excretion; fresh fruits (dates and grapes being ra... See more

How to use: Broil, pan-sear, poach, or eat raw (if sashimi-grade). Pro tip: All types of fatty fish, including sardines, herring, mackerel, and anchovies, are good alternatives. I will often travel with canned sardines to serve as a quick snack or to add to a meal, and I have included them in my Better Brain Bowl (page). Just make sure any canned f

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