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![jonwillbanks Avatar](https://lunarcrush.com/gi/w:24/cr:twitter::2248086253.png) Jon Willbanks [@jonwillbanks](/creator/twitter/jonwillbanks) on x 1587 followers
Created: 2025-07-18 14:49:03 UTC

Dr. Dena Dubal at UCSF discovered something that changes everything.

Females have two X chromosomes; males have one. One X stays dormant for most of a female's life.

But as women age, the silent X "wakes up" and makes proteins.

The results?


XXX engagements

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**Related Topics**
[women](/topic/women)
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[Post Link](https://x.com/jonwillbanks/status/1946220677427781898)