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What Are Stem Cells?

I am sure most people have heard about StemCell Research. 

  Stem Cells  What Are Stem Cells?

There are two basic types of stem cells - embryonic and adult. While controversy surrounds the use of embryonic stem cells, no such debate exists with the use of adult stem cells, which are naturally occurring in the body.

All stem cells are capable of dividing and renewing themselves for long periods of time, and they can give rise to specialized cells. According to the National Institutes of Health, stem cells have the remarkable potential to develop into many different cell types in the body.

When a stem cell divides, each new cell has the potential to either remain a stem cell or become another type of cell with a more specialized function, such as a muscle cell, a red blood cell, a skin cell, etc. When released, new stem cells work on problem areas of the body that often arise as we grow older.

Serving as a repair system for the body, stem cells can theoretically divide without limit to replenish other cells as long as a person or animal is alive.