The eight hottest health foods trends for 2017, from seaweed pasta and purple carrots to soup cleanses and superfood smoothies

Like fashion, health food trends can be fickle. What was sizzling one season could be fizzling the next. Kale, for example, that so-called superfood leafy green that everyone wanted to eat (and be seen eating) a couple of years ago is now as out of style as baggy pants. In vogue for 2017 instead...

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