The lifespan of cells varies significantly depending on the cell type and its function.
- On average, the cells in your body are replaced every 7 to 10 years.
- Neutrophil cells, a type of white blood cell, might only last two days.
- The cells in the middle of your eye lenses will last your entire life.
- Brain cells are estimated to live over 200 years.
- Red blood cells have a lifespan of around 120 days.
- White blood cells fight infection and live for about 13 days.
- Liver cells can last for years.
- Intestinal cells (excluding lining) last for approximately 15.9 years.
Some stem cells can last for months or even years. However, the exact lifespan of a particular stem cell can vary greatly depending on factors such as the cell's age, its environment, and its role in the body.
