Biopolar disorder is a mental health disorder whereby the person has an extreem mood swing over a given period of time.<em> For example, someone that was laughing over a joke 5 minutes ago becoming extreemly angry and agitated without an external influence. It is also known as manic depression. </em>
On the otherhand, depression is a state of feeling sad due to a rough situation or event in your life. Dwelling in that state is very bad for the mental health of the person.
