The symptoms of SAD can be mild or severe and are also close to major depression symptoms. These include sadness, loss of interest in normal activities, sleep change, appetite change, and weight gain, feelings of guilt and tiredness, difficulty concentrating and making decisions, and thoughts of suicide. SAD usually occurs between the ages of 18 and 30, but the symptoms and the disease itself can affect a person at any age. (Seasonal Affective Disorder, 2015) The causes of seasonal affective disorder can be living in a cold wintery climate and a decreased amount of natural sunlight. (Lliades, 2015) Other causes are an upset in a person’s biological clock, or sleeping patterns, and problems with serotonin, which is a brain chemical that affects mood. (Seasonal Affective Disorder, 2015)
SAD can be diagnosed by the doctors asking if the patient has been upset in the same season and got better when the season changed for the past two years in a row, if the patient is experiencing the symptoms of SAD, and …show more content…
These are two of the most important signs of this disease. More symptoms can be weight gain, irritability, and even relationship problems. (Lliades, 2015) The causes for atypical depression are believed to be family history of any type of depression, a significant loss, emotions as in guilt, impersonal conflicts, any type of abuse, any type of a major life change, drug or alcohol abuse, and any other serious injury or health condition. The exact cause for any depression form is unknown, but these are thought to cause atypical depression. (Goldberg, 2014, February