The mitochondrial theory of aging: why your cells lose power and how to fix it
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Jan 13, 2026 · 12 min read
Feeling older than your years isn’t just about grey hair or stiff joints; it is often a sign that your cellular engines are stalling. Here is the evidence-based guide to revving them back up. “We often think of aging as a passive process, like a car slowly rusting in the driveway. But biologically, it is ...