Biology, 31.01.2020 12:47, med69

My doctor told me that i have breast cancer, but no one in my family has ever breast cancer? why did i get it? i thought that breast cancer was inherited. she told me that it is due to changes in my genes, but i don't understand how changes in my genes can cause cancer.

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My doctor told me that i have breast cancer, but no one in my family has ever breast cancer? why di...