Like everything that's good these days, there always seem to be a bad side.  And in this case, it's that sandwiches are almost always full of sodium, which health officials say contributes to hypertension and all the illnesses associated with it.

According to the latest research, a single sandwich delivers 20 percent of one's sodium intake per day.  And since almost half of Americans consume a sandwich, which also includes hot dogs and hamburgers, people are likely getting more salt than what's healthy.

What the study also revealed is that sandwich eaters also have a higher energy rate than other Americans.

Experts say that it's important to replace high sodium ingredients with lower sodium foods.

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