The most common of which is major depressive disorder. It is characterized by a constantly low mood, sadness and lack of interest in daily activities. Major depression may occur only once in a lifetime or it may occur over a long period of time. Its symptoms include loss of energy, self-loathing, weight changes, etc. These symptoms can range from mild to severe. (Smith and Seagal, 2016). Persistent depressive disorder or dysthymia is a chronic depressive mood that lasts at least two years followed by a few days in which everything seems to return to normal. This type of depression is characterized by the temporal duration of the symptoms, i.e. the symptoms must last at least two years to be considered persistent depressive disorder. (Depression, 2015). Another type of depression is perinatal depression. This type of depression usually occurs a few weeks before giving birth and a few weeks after giving birth. Symptoms include extreme sadness, anxiety, and exhaustion that would prevent a new mother from caring for herself and her baby (Depression, 2015). Seasonal affective disorder or SAD is another type of depression. This occurs when there is a change in season from the spring or summer months to the winter months. This type of depression usually resolves on its own once the winter months are over and there is an increase