Tapping crowd-sourced data unearths a trove of depression genes

(NIH/National Institute of Mental Health) Scientists have discovered 15 genome sites - the first ever -- linked to depression in people of European ancestry.Many play a role in sculpting the developing brain. But -- in a twist -- the researchers didn't have to sequence anyone's genes! Instead, they analyzed data already shared by people who had purchased their own genetic profiles via an online service and elected to participate in its research option.