Scientists are discovering a powerful new way to prevent cancer
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Science & technology | Tumour prevention
Treatments should encourage healthy cells as well as killing unhealthy ones
Photograph: Agnes Jonas
Sep 2nd 2025|6 min read
IN THE POPULAR imagination, cancer starts with a mutation in the DNA of a normal cell. That mutation allows the cell to multiply uncontrollably, circumventing the body’s usual quality-control checks. Eventually, a tumour forms and breakaway cells spread to other parts of the body.
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