What Do Food Expiration Dates Actually Mean?

From SciShow.

Sell By, Best By, and Use By… do these dates actually tell you anything? Food science can be tricky, but we’re here to clear some of it up.
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Sources:

Mold On Food


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Images:

https://en.wikipedia.org/wiki/File:Blade_steak.jpg
https://www.istockphoto.com/photo/spoiled-steak-gm466978127-34275460
https://www.istockphoto.com/photo/cheesemaker-traditional-cheese-making-at-a-creamery-gm516957444-89242997