For example, if someone discovers they have breast cancer or cancer in the liver or something, does that mean that they always had cancer but it was not able to be detected until they discovered they had it? Or is that something that is formed later, and wasn’t always in that person’s body?
In: Biology
There are factors that make some people more predisposed to cancer than others, like environmental factors and lifestyle. In some cases of breast cancer, there are genetic predispositions, like the mutated BRCA gene.
Generally speaking, some forms of cancers can be genetic, but that doesn’t mean it’s always been in their body, it just means they may have a higher chance of developing it at certain point vs someone else who may not have the same risk factors involved.
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