Psychology: Audio/Visual

This is FRESH AIR. I'm Terry Gross, back from my vacation. I want to thank Dave Davies for hosting while I was gone. Today we're going to talk about psychotropic drugs - drugs that alter brain chemistry to treat problems like mood disorders and anxiety. Antidepressants and medications for bipolar disorder can be life-changing, even life-saving. But over time, they can cause side effects both mild and severe.