DNA Testing: Health Promises, Privacy Concerns

Imagine you had a tumor. Surgery removed most of it, then chemotherapy or radiation took care of the cells that lingered. You went through a harsh period where you felt exhausted and ill, but then you were OK. Cancer free. Until one of your tests showed some new shadows in a different part of your body. Your cancer was back and on the move.

But then your doctors told you that by sequencing the genome of your tumor and looking at it in the context of your overall DNA, they realized you could take a drug that would essentially block cancer's progress in your body. Would you take the drug? Would you be happy that your DNA had been sequenced?

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