What Causes Depression?


No one knows exactly what causes depression. It is clear that genetic factors are important in many cases of depression. Depression seems to run in families (as do other mood disorders), and about 30% of the predisposition for depression is due to genetic influences.

Stressful life events play a part in the onset or relapse of depression. Ongoing conflicts with others can take their toll on our well-being, as can other social and environmental stressors such as financial difficulties, retirement, unemployment, childbirth, loneliness, or loss of someone or something important. In vulnerable people, these unpleasant life events may be enough to cause or worsen a depressive illness.




A person’s personality characteristics are an important factor. When people are depressed, they usually have a very negative view of themselves and the world. They do not appreciate good things, and bad things seem overwhelming. Some people have a tendency to view things this way even when they are not depressed. In other words, they may have a depressive personality style.

Another possible cause of depression that should not be overlooked is physical illness or medications. Glandular fever, influenza, hepatitis, thyroid hormones, anaemia, diabetes, birth control pills, alcohol and other substances of abuse, or other medications such as those for heart or blood pressure conditions, may all cause symptoms of depression.

Reference: thiswayup.org.au

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