Doctors reveal the worst foods for your brain

10. vegetable oils

Oil on a spoon on salad
Spoonful of oil | e-anjei / iStock / Getty Images

You may think that vegetable oils are better for you than butter, but that's not the case. Some oils, including sunflower, soy and canola, have a higher content of omega-6. It is a fatty acid that can lead to inflammation of the brain. Any level of inflammation in your brain is bad for you.

The best alternatives are oils rich in omega-3. Olive oil is a popular substitute for butter and vegetable oils. You can use it wherever you use butter, including vegetables, baked goods and even popcorn!

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