The secrets of DNA – what genetic tests might tell us about our health

We’ve all seen the ads for genetic ancestry testing, as a way for people to trace their genealogy beyond traditional family trees and historical detail. And thanks to shows like CSI: Crime Scene Investigation, the public might think of DNA as an investigative tool for the police – a silver bullet that can solve any high-profile case in just minutes. But DNA can be used for much more than law enforcement activities or tracing ancestry, says policy adviser in the Office of the Privacy Commissioner, Vee Blackwood