The most common response to depression that I hear is
that it is all in your head. This is true to a degree.
Depression is a serious condition. It’s also,
unfortunately, a common one. The World Health Organization characterizes
depression as one of the most disabling disorders in the world, affecting
roughly one in five women and one in ten men at some point in their
lifetime. It is estimated that 21% of women and 12% of men in the U.S will
experience an episode of depression at some point in their lifetime.
Although scientists agree that depression is a brain
disorder, the debate continues about exact causes. Many factors may
contribute to the onset of depression, including genetic characteristics,
changes in hormone levels, certain medical illnesses, stress, grief, or
substance abuse. Any of these factors alone or in combination can bring
about the specific changes in brain chemistry that lead to the many symptoms of
depression, bipolar disorder and related conditions.
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