Fat was the enemy — until it was rather abruptly usurped by sugar. Now nuts and whole-milk dairy products are making a comeback, while artificial sweeteners and sugar-laced low-fat snacks and drinks are viewed with a sudden suspicion. If you’re experiencing whiplash, you’re not alone. “There is widespread chaos in the world of nutrition,” says…

http://fortune.com/2017/02/28/heart-health-food-fads/

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