Mito 101: The Diseases, the Dysfunction, and Why It All Matters

COUNTDOWN INSIDERS September 25, 2026 7 min read

As an Insider, you’re probably curious about mitochondria but may not know exactly what these organelles do. Consider this your Mito 101: a deeper look at mitochondrial disease and dysfunction, and why both matter to people living with these conditions and to the future of human health.

What are mitochondria, really?

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