Cell replicates daily to renew your skin, organs .. every part of your body.
Each cancer starts with changes in one cell or a small group of cells. These cells can then eventially be felt as a lump or tumour, which you might feel or doctors detect on a scan after the cells have started to divide and reproduce uncontrollably.
This happens because some of the genes in the cell have ” mutated” or gone wrong.
You can see from the differences between normal cells and cancer
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