If you swap out butter and fatty meats for foods like nuts, seeds, or bread and rice, you might lower your risk of heart problems—but we’re not sure if swapping for olive oil or chicken makes a difference.

If you swap out butter and fatty meats for oils like olive oil or nuts, you might lower your risk of heart disease—but if you swap them for white bread or sugary snacks, it doesn’t help and might even hurt.

Switching from foods high in saturated fat (like butter) to foods full of sugar and white bread doesn’t make your heart any safer — studies show it doesn’t help prevent heart disease.

We don’t have enough reliable data yet to say if swapping butter for bread or olive oil makes a difference in heart disease risk, because not enough studies provided the right information.

We don’t know yet if swapping butter for bread or olive oil makes a difference for heart health — there just isn’t enough solid data from long-term studies to say for sure.

If you eat less saturated fat (like butter or fatty meat) but still eat lots of white bread, sugary snacks, or refined carbs, it probably won’t make your heart any healthier or lower your risk of heart disease.