Butter or olive oil? Eggs or no? New nutritional review cuts through the myths.

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Nutrition can be confusing. Fad diets make headline news, and we’re bombarded with flip-flopping reports about what to eat. The constant changes can make it tricky to plan a nutritious diet.

To separate fact from fiction, a panel of physicians and researchers did a deep dive into the nutritional science, and Monday they published their findings in the Journal of the American College of Cardiology.