To build muscle you are tearing the muscles and letting it heal. Does this not increase risk of mutations that might turn into cancer like how repeated damage to skin or lung cells can cause cancer?
I don’t think it is a cancer risk but I would like an explanation as to why.
In: Biology
So only specific damage increases cancer risk. If the cell is damaged it is okay as long as the DNA remains untouched. This is because a damaged cell with good DNA will either die or heal and be fine. When the DNA is damaged the damage will propagate as the cell divided and will be inherited by all daughter cells. This happens enough the right combination of DNA damage can occur to produce cancer.
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