By Trystan L. Bass
Plenty of terms get tossed around at the grocery store and farmers market these days. Is that tomato an organic or heirloom variety? Was that pork raised sustainably and is it a heritage breed? And what is "natural" anyway?
Unfortunately, no one governs the exact definitions of these labels, so you have to ask questions before you shop. But first, you can read up at Yahoo! Food, where chef Alexandra Guarnaschelli gives her tips for decoding food choices and terms.
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