What happens if you eat a silica gel packet?

Explore the science of silica gel, and find out why these packets are everywhere and if they're actually dangerous to ingest.

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Of the many, many things we’re not supposed to snack on, perhaps the most common forbidden food is silica gel. This tiny packet pops up in packaging for everything — from TVs and guitar cases to sunscreen and snack foods. So why is silica gel everywhere, and what would actually happen if you ate it? Vivian Jiang digs into the science of this pervasive product.

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