Description
This article is from the Depression
FAQ, by Cynthia Frazier with numerous contributions by
others.
14 What initiates the alteration in brain chemistry?
It can be either a psychological or a physical event. On the physical
side, a hormonal change may provide the initial trigger: some women
dip into depression briefly each month during their premenstrual
phase; some find that the hormone balance created by oral
contraceptives disposes them to depression; pregnancy, the end of
pregnancy, and menopause have also been cited. Men's hormone levels
fluctuate as deeply but less obviously.
It is well known that certain chronic illnesses have depression as a
frequent consequence: some forms of heart disease, for example, and
Parkinsonism. This seems to be the result of a chemical effect rather
than a purely psychological one, since other, equally traumatic and
serious illnesses don't show the same high risk of depression.
The typical chemical changes that characterize depression can also be
caused by psychosocial factors.
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depression, health, bipolar, manic depression, sad, seasonal affective disorder psychotherapy
