It’s lunchtime, your stomach is growling and you’ve decided to make a sandwich. But as soon as you head to the pantry and open the bread bag, you see it: a whitish, greenish spot. Ugh — it’s mold.

Bread is a staple in many people’s diets. While bread can fit into a healthy diet, some types are better for overall health, including blood pressure, than others. To cut through the confusion, we ...