Mysteries, illness and beauty are written in all human genomes, the complete set of genetic instructions necessary for man-made. Now, as scientists and entrepreneurs Ricardo Sabatini show us. We have the power to read this complex code. This Human Code predicts things like height, eye color, age and even facial structure — all from a vial of blood.

And soon, Sabatini says, our new understanding of the genome will allow us to personalize the treatment of diseases like cancer. We have the power to change life because we know it. How do we use it?

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