However, experts stress that this research is still in its earliest stages. The work has only been carried out in cells grown in the laboratory and has not been tested in people. Applying this technology to a living human would present enormous scientific and medical challenges. Editing an entire chromosome inside the body could lead to unintended genetic changes, affect healthy cells, or create other risks that researchers do not yet fully understand.
For these reasons, the discovery should be viewed as an important proof of concept rather than a treatment. It shows that removing an extra chromosome is scientifically possible under controlled laboratory conditions, but much more research is needed before it could ever be considered
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