Imagine a handheld device that would allow health experts to quickly and easily diagnose medication as counterfeit with a simple scan using waves of light.

It might sound like something out of a sci-fi novel, but the U.S. Food and Drug Administration (FDA) has actually developed such a device and are starting to test its effectiveness in the field.

In a feature for the LA Times health blog Booster Shots, writer Melissa Healy profiles the device and explores how it would work.

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