Who Discovered Down Syndrome?

The best person to answer a question about Down syndrome is a person with Down syndrome. Krystal answers this one.


Doctor John Langdon down discovered common traits of people with Trisomy 21 and later the it was named after him.

Down syndrome is named after John Langdon Down, a doctor who first identified Down syndrome. He didn’t have Down syndrome, so it is not possessive (as in Down’s). Some countries still refer to “Down’s syndrome”, but in North America, we do not.

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