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California's most iconic burger chain is on the cusp of a massive change to its main ingredient

Erin BrodwinMar 2, 2016, 22:20 IST

The problem is being driven by two main factors - only one of which is related to food:

In-N-Out wouldn't be alone if it turned away from antibiotics

NOW WATCH: Researchers say your over-the-counter cold medicine doesn't actually work

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