A recent report from Duke University found that data brokers were selling information that identified people by their mental health diagnoses, including depression, anxiety, and bipolar disorder. Justin Sherman, Senior Fellow, Duke Sanford School of Public Policy: Absolutely, we uncovered data brokers selling a range of data about all kinds of mental health conditions dealt with by Americans ranging from depression and anxiety to PTSD, OCD, people battling trauma, and even actually, people who had suffered strokes, if you imagine, you know, a spreadsheet with rows, right?