How cancer starts: how a normal cell turns into cancer
p53: the gene that tells a damaged cell to destroy itself
An elephant has far more cells than you, so it should get cancer far more often. It gets it less. The clue is a gene you carry too, the brake that is broken in more cancers than any other.
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A cell has a whole team of brakes. The most famous one is a gene called p53. It is broken in more cancers than any other gene.
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p53 watches the DNA. When the DNA is damaged, p53 presses the brake. The cell stops copying and gets time to repair the damage.
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