What Are Vegetarian-Fed Chickens and What’s the Deal with Them?

Every time I walk into the grocery store (which, thankfully, isn’t all that often), I find myself increasingly frustrated with the way that food producers choose to market their products. There are all kinds of terms that are applied to eggs in particular. From free-range to cage-free, antibiotic-free, or one of the most ambiguous, “all-natural,”...