DNA business, a gene gold rush

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Some 26 million people around the world have already answered the siren calls of the clever marketing campaigns for companies offering at-home personal DNA testing. But are the results reliable? What happens to our data? Who uses it and what do they do with it? An investigation into the transformation of DNA testing into an at-home service, which is using a new scientific frontier as a springboard to propel us into the era of commodification of genetic data.