But determining how variouspackagedfoods affect heart health is a bit tricker than considering whole foods.

Want to save yourself some time?

Sodium content

Aim for as low as possible, Dr. Mozaffarian says.

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Its Amazing How Its All Connected.

This intrinsically balances refined grains, starches, and sugars versus whole grains, seeds, and bran.

Fat quality

The last major factor Dr. Mozaffarian says he eyeballs when reading nutrition labels is the fat content.

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cardiologist, professor of medicine at Tufts School of Medicine, Jean Mayer Professor of Nutrition at the Friedman School of Nutrition Science and Policy at Tufts University

Saturated fat is linked to putting stress on the heart whileunsaturated fatsare beneficial for heart health.

As for something Dr. Mazaffarian says not to get too hung up about: calories.

Total calorie [content] can be misleading, he says.

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So if you want to grocery shop like a cardiologist, now you know how.

But can you guess theheart-healthy food a cardiologist eatsevery single day?

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cardiologist, professor of medicine at Tufts School of Medicine, Jean Mayer Professor of Nutrition at the Friedman School of Nutrition Science and Policy at Tufts University

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