Benefits of Cutting Back on Butter and Cheese Depends on Your Heart Risk

A large review found that reducing saturated fat lowered heart risks mainly for people already at high risk—and that what replaces it matters.

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Picture two people getting the same advice: “Cut back on butter and cheese.”

One has already had a heart attack, and the other is in their 40s, walks daily, and has normal blood pressure and cholesterol. New research suggests those two people won’t get the same return on that dietary effort.