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Being a salty snacker

The more salt you consume, the higher your blood pressure rises. One in three American adults has high blood pressure, a major risk factor for stroke, kidney failure, and heart attack.

“Steer clear of packaged junk food, read the labels for sodium content, and stick to the outer portions of the supermarket, which is where the fruits, vegetables, and (unsalted) nuts are,” Dr. Ostfeld says.

Most of us should keep sodium intake below 2,300 milligrams a day. If you have high blood pressure or are over 50, cut back to 1,500 milligrams.

Next: Eating empty calories