Even tiny bits of trans fat can make your heart and blood vessels sick.

People who eat a lot of trans fats (like in fried or processed foods) are more likely to have heart problems than those who eat very little.

Eating foods with trans fats, like fried snacks and baked goods, might raise your risk of heart disease because they can cause body-wide inflammation and make your cholesterol levels worse.

Eating artificial fats found in fried and processed foods raises your risk of heart disease, but swapping them for healthier fats like olive oil or avocado can lower that risk—and that’s why some places now require labels or even ban these bad fats.

The artificial trans fats found in fried foods and margarine don’t seem to raise the risk of type 2 diabetes when looked at on their own, which surprises many people who think all trans fats are bad.

Eating foods with trans fats—like packaged snacks, baked goods, and fast food—may raise your risk of heart disease because they can cause body-wide inflammation and mess up your cholesterol levels.