While for most of us our genomic sequence will be nothing more than a mild diversion, the situation is different for a small subset of us. For example, about 1/500 individuals in the U.S. carries a highly penetrant mutation in a Lynch Syndrome (LS) gene that confers a greater than 80% chance of colon cancer. Critically, once it is identified, that risk can be radically reduced through preventive measures currently available.
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