Some of your most important life partners are the mitochondria that power all your cells. You and these little cellular powerhouses are in a 1.5-billion-year-old evolutionary relationship—but mitochondria brought some baggage. Mitochondria brought their own DNA with them when they joined with the bigger, more complex cells so long ago, and today that mitochondrial DNA influences human health.
Source: https://medicalxpress.com/news/2026-04- ... ealth.html
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