If you swap out butter and fatty meats for oils like sunflower or soybean oil, you might lower your risk of heart disease by about 30%—just like taking a statin pill—because it helps reduce the 'bad' cholesterol that clogs your arteries.

When people took statins (cholesterol pills), cutting out saturated fat didn’t help them any more than just taking the pills alone — so the pills might be doing all the work, and diet changes don’t add extra benefit.

If you swap out butter and fatty meats for oils and nuts, your 'bad' cholesterol goes down, which helps prevent clogged arteries and heart problems.

If you swap out butter and fatty meats for oils like olive or sunflower oil, you might slightly lower your chance of having a heart problem — but the evidence isn’t super strong.

If you swap out cooking oils like soybean or corn oil for olive oil, butter, or coconut oil, you might lower the stuff in your body that causes inflammation and make your blood fats more stable and healthy.

If you swap just a little bit of butter or fatty meat in your diet with healthier fats like those in nuts or fish, you might lower your bad cholesterol and reduce your risk of heart disease by a small amount.