Where Does Yogurt Come From?

When we think of Yogurt, we think of a tangy and sweet treat that's good at any time! But there's a tiny little ingredient in there that helps to make it what it is!
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SOURCES:
www.bbcgoodfoo...
www.britannica...
www.chicagotri...
www.msi.harvard...
www.nature.com...
www.npr.org/se...
www.npr.org/se...
recipes.howstu...
science.howstu...
www.scientific...
time.com/338056...
www.webmd.com/...