5 Best Foods for Brain Health

Basic food staples like nuts will provide a healthy dose of both protein and fat.

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Nuts contain monounsaturated and polyunsaturated fats to keep your arteries clear, as well as levels of precursors of serotonin to boost mood. One ounce a day is just right; more is fine, but remember to be careful of calorie overload - an ounce is about twelve walnuts or twenty-four almonds.

RealAge Difference: Men: 3.3 years younger, Women: 4.4 years younger

Salmon contains artery-clearing omega-3 fatty acids.

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Fish (especially wild salmon, whitefish, tilapia, catfish, flounder and mahi mahi) contain artery-clearing omega-3 fatty acids. Serving size recommendation is 13.5 ounces a week (or three servings about the size of your fist).

RealAge Difference: 2.8 years younger

Soybeans like these can be made into a myriad of products.

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Soybeans contain heart- and artery-healthy protein and fiber. The recommended serving is one cup a day.

RealAge Difference: 0.4 years younger

Tomatoes can help keep your arteries young.

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Tomato juice and spaghetti sauce contain folate, lycopene and other nutrients to keep arteries young. The recommended serving is 8 ounces a day of juice; 2 tablespoons of spaghetti sauce a day.

RealAge Difference: At least 1 year younger

Healthy fats like olive oil are good for your heart.

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Olive oil, nut oils, fish oils, flaxseed and avocados contain heart-healthy mono-unsaturated omega-3 and omega-9 fats. Twenty-five percent of daily calories should be healthy fats.

RealAge Difference: 3.4 years younger