# Where Do Autoimmune Diseases Come From?

- Source: NYT > Science
- Published: 2026-10-20T09:00:43+00:00
- Category: Science
- Original: https://www.nytimes.com/2026/10/20/science/autoimmune-diseases-evolution-ms.html
- Canonical: https://groundlevelnews.com/story/where-do-autoimmune-diseases-come-from-2f3c86/

Our genes evolved to fight ancient threats, but in the modern world, some of those changes may be turning against us.

_Ground Level News shows a short summary only; the full article and all rights belong to NYT > Science._