The best way to understand the field of epigenetics is to truly understand its relationship to genetics. If genetics is the printed words and sentences that make up a book, epigenetics is the interpretation of those words and sentences when read by multiple beings.

Epigenetics is the study of heritable changes in gene function without changes in DNA sequence. Scientists have discovered certain epigenetic signatures in certain types of cancers. Scientists are now searching through the genetic codes of breast cancer sufferers for a common signature.

Scientists warn that a test could be years away because even if a reliable signature is discovered, a test still needs to be developed that would identify the signature in blood earlier enough in the pathogenesis of the disease.

    Still, another said that this could make a difference in the lives of women with breast cancer.

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