PALO ALTO (Ivanhoe Newswire) -- Fifteen percent of the 18 million people living with depression experience symptoms such as paranoia and hallucinations. This type of depression, called psychotic depression, is hard to treat with standard medication. Now a controversial treatment is changing the lives of people with this illness. Just a few months ago, this scene was unthinkable for Isabel Camarillo. "I didn't want to live at all. I was always thinking of how to kill myself," she tells Ivanhoe. Camarillo started hearing voices as a teenager. "It was like they were controlling my life," she says. They didn't go...