Everyone has bad days when things just aren’t going well and we just feel off. This can be in response to some bad news like getting a grade that is less than stellar or your friends are too busy to hang out. Sometimes when we find our bad day seems to last day after day, then that may mean something else is going on.

Depression is a term that covers a great deal of meanings and references. In economics, depression refers to a “sustained, long-term, downturn in economic activity in one or more economies.” In kinesiology, depression is “an anatomical term of motion that refers to downward movement, the opposite of elevation.” In weather, depression refers to “an area of low atmospheric pressure characterized by rain and unstable weather.” In terms of mood, depression refers to a sustained mood that is low, sad, down, blue. When the mood continues for two weeks or more and occurs for most of the day that may indicate an illness called major depression. Read more.