I like Michael Pollan's three-part food mantra: 1) eat food 2) not too much 3) mostly plants 2 and 3 are mostly self-explanatory. 1 is to differentiate betw

I like Michael Pollan's three-part food mantra: 1) eat food 2) not too much 3) mostly plants 2 and 3 are mostly self-explanatory. 1 is to differentiate between food (things you make yourself or ones with a small number of pronuncible ingredients) from the rest, the vaguely edible processed food-like substances that aren't often good for you.