One in ten Americans will suffer from a form of depression at some point in their life. It's a remarkable number, yet for a disease that afflicts so many, surprisingly little is known about it. At least, little is known and understood about it by the general public. It is often a misunderstood situation, in which those around the afflicted simply cannot comprehend what the symptoms and characteristics can do to a person. They do not see the battles being fought, nor do they realize the toll depression takes not just on the sufferer, but on those around them. Dr. Elizabeth McGhee Nelson has...