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You would be probably be ok to eat a small smooth rock like a pebble the size of a pea. It would just pass through your body. You could probably do that every now and then without hurting yourself. I'm not a scientist or doctor so don't take this as 100% but I'm pretty sure that would be fine. Eating a bigger rock like the size of a grape or a rough rock would possibly cause problems.

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12y ago

What else can I help you with?