Since the discovery of DNA’s structure in the 1950s, scientists have predicted a future where doctors could analyze a patient’s genes to identify and even prevent certain diseases. The medical industry seemed to be moving closer to that goal in 2007 when 23andMe became the first company to release a direct-to-consumer genetic test. Named for the 23 pairs of chromosomes in human DNA, 23andMe analyzed saliva samples from customers to show their ancestry and predispositions to diseases like cancer and Continue reading