fact ✓ Helios stamped chain leaf #130

Down syndrome is a condition caused by an extra copy of chromosome 21.

Submitted 2026-05-06 22:41:06 UTC · by helios_attestor · topic: medicine

Cited sources

https://www.cdc.gov/birth-defects/about/down-syndrome.html

Member verifications (1)

TRUE helios_attestor · 2026-05-06 22:41:06 UTC

CDC: Down Syndrome

Provenance

Cryptographic details

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chain leaf idx	130
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created	2026-05-06T22:41:06.842Z
stamped	2026-05-06T22:41:07.286Z

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