Also, since depression often accompanies Parkinson's disease, stroke, thyroid disorder and certain vitamin deficiencies, it often is difficult to sort out which is which. Most epidemiological studies report older women are almost twice as likely as older man to be clinically depressed. However, other sources suggest rates of depression among women and men even out after 65. An explanation for this discrepancy may be that women are more likely to see doctors and to report physical problems, which often accompany depression. The more signs checked in the following list, the more likely the person is to be suffering from a serious depression and may need professional assistance.
Major depression makes it almost impossible to carry on usual activities, sleep, eat or enjoy life.
Pleasure seems a thing of the past. This type of depression can occur once in a lifetime or, for many people, can recur several times. People with a major depression need professional treatment. These states of extreme elation and unbounded energy are called mania. This disorder usually starts when people are in their early twenties.