A pair of new studies indicates that depression could be detectable by a blood test. So far, depression has primarily been diagnosed through non-medical means and descriptions of common symptoms. Here with more on the recently discovered connection between the brain and blood is Jennifer Welsh, staff writer for Live Science who wrote about the research.
Senior Producer Rebecca Lavoie also spoke to author David Healy about how a blood test for depression might be a boon for the pharmaceutical industry. We've posted the full conversation here.