What the new nutrition guidelines get wrong about fat

When new dietary guidelines for Americans came out in early January, I couldn’t help but notice “healthy fats” at the top of the inverted food pyramid.

Like the food pyramid itself, the new guidelines have upended previous nutrition advice, which favored fats from plants over those from animals. Now the U.S. Department of Agriculture and Department of Health and Human Services list butter, beef tallow and olive oil as examples of healthy fats.

Not so fast, say nutrition experts.

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