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Dr. John | From BRCA to Liquid Biopsies: A Doctor’s Guide to DNA Screening
Dr. John Sanders explores the evolving world of genetic screening — from traditional genome sequencing for inherited risks like BRCA, Lynch syndrome, and clotting disorders, to newer technologies like liquid biopsies and pharmacogenomics. He explains how genetics can guide prevention, but also how complex the interpretation is, especially when epigenetics — the environmental “on/off switches” for genes — plays a massive role in actual disease expression.
He highlights both the promise and limitations of current tools. Liquid biopsies, for example, can screen for dozens of cancers via blood…
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