Causes of Depression

Depression does not have a single cause. Several factors or a combination of factors may contribute to depression. A person’s life experience, genetic inheritance, age, sex, brain chemistry imbalance, hormonal changes, substance abuse and other illnesses all may play significant roles in the development of depression.

Genetics: People with a biological (family) history of depression may be more likely to develop it than those whose families do not.

Brain chemistry: People with depression are thought to have a different brain chemistry than those without the illness.

Attitude: People with a pessimistic outlook on life and low self-esteem who are easily overwhelmed by stress are more likely to develop depression.

Gender: Women experience depression twice as often as men. While a specific explanation of this is unclear, hormonal changes in women that occur during menstruation, pregnancy, childbirth and menopause are thought to be possibilities.

Life Situations: Difficult life events or traumas such as emotional, physical, sexual or verbal abuse; continuous exposure to violence; financial problems or poverty; inappropriate or unclear expectations; maternal separation; family addiction; death of a loved one; neglect; divorce; illness; or racism may all contribute to depression.

Postpartum:Depression may be associated with the delivery of a child. It is caused by changes in hormones and can run in families. It is far different from the "baby blues" both by its duration and debilitating effects.

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