Philippe Matthews Show Guru Advice, Author Reviews, Tech Reviews, Entertainment News

In the Showtime series United States of Tara , actress Toni Collette plays Tara Gregson, a Kansas mother who has dissociative identity disorder (DID), known formerly as multiple personality disorder.

Almost 50% of psychiatric patients get a change in diagnosis over a 10-year period--meaning they may end up taking a slew of unhelpful drugs until doctors finally decide what mental illness they have. But what if a simple blood test could help discern whether patients have schizophrenia, major depression, or bipolar disorder? Rules-Based Medicine , a company that specializes in research and development for drugs and diagnostics, thinks it can.