WATCH: 10 of the strangest medical conditions

Ever heard of auto-brewery syndrome? Where ethanol is produced in some people's gastrointestinal system - making them drunk without drinking a drop of alcohol.

Or alien hand syndrome - also known as Dr Strangelove syndrome, where your hand seems to have a mind of it's own. These are just some of the strange medical conditions we're looking at at, and will leave you wondering - is this real?

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