Medicine has long been a mysterious art. Some people are more susceptible to disease than others, and the pills and potions that may help one person leave others uncured. But the past few days have seen steps forward in personalised medicine, in which diagnosis and treatments are tailored to each person's genetic makeup. Two rival firms have just unveiled services that will allow people to scrutinise their own genomes for $1,000. The first was decoDE genetics, an Icelandic firm that has already developed genetic tests for several diseases.
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