What 'healthy fats' actually are — and how to choose the right ones for your diet

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• The new Dietary Guidelines for Americans have a prominent place for "healthy" fat.
• The guidelines still suggest limiting saturated fat.
• Nutrition experts say it's smart to prioritize fat sources like olive oil, nuts, and avocados.

US Health Secretary Robert F. Kennedy Jr. says his diet message is clear: "Eat real food."

That was his main mantra during a White House press briefing on the new Dietary Guidelines for Americans, released Wednesday.