Discover why depression is a very treatable disease. Find out why it's essential to seek medical care if you have symptoms of depression—and why so many people with depression don't. See just how untreated depression affects the physical structure of your brain. Journey inside to view, on a cellular level, how talk therapy can restore the normal functioning of your brain cells. Zoom down to the molecular level to observe the way in which antidepressants change the balance of your brain's mood-affecting neurotransmitters. View the incredible network of blood vessels that feed your energy-hungry brain, making exercise and diet an essential part of treatment. Find out why the odds of successfully treating depression are very good.