The Oxford Book of Health Foods

I have to confess that before reading The Oxford Book of Health Foods I was not entirely sure what health foods were. I knew, in theory, what I should do in order to eat healthily: five pieces of fruit and veg. each day; drink plenty of water; etc., etc. But as for what health foods were I was a little vague, the phrase suggesting tofu, Alfalfa sprouts, Soya beans, and the like. This, apparently, is not nearly the whole picture.

The stated aim of The Oxford Book of Health Foods is to examine systematically some of the foods and products...