Some researchers have suggested that "even among psychiatrists . . . the extent of the disability caused by depression is vastly underestimated." (Empfield, 2001) Further, it is logical to argue that "major depression causes more long-term human misery than any other single disease." (Empfield, 2001) Diagnosing and treating such a disease as early as possible in an individual's life may enable it to be effectively eradicated for their later years. While some early childhood depression does occur, the condition mainly appears in the teenage years. It will remain with the patient, become episodic or cause drastic symptoms such as suicide if it is left untreated.
The causes of depression in general are still somewhat controversial within the medical community: situational and biological theories often conflict, while those that argue for a situational and biological cause are perhaps gaining ground. The physical features of the brain of person suffering from depression/who are liable to depression. As Cynthia Haines puts it, "there is absolute proof that people suffering from depression have changes in their brains . . . ...Show more