What if your cells never died 🔬?

Added: 2026-05-05

[00:00:00]What if every cell in your body stopped dying forever? At first, it sounds like immortality. No aging, no wear and tear, no losing tissue faster than you can replace it. But, your body depends on cell death, called apoptosis, to remove broken cells, shape organs, and prevent chaos. Cells never died, old and damaged ones would pile up, tissues would thicken and malfunction, and your immune system would lose one of its cleanup tools. Worst of all, cells that should be eliminated could keep dividing, turning never die into a fast track for cancer. Subscribe for more 30-second What If Science.