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Genetic and hormonal explanations for depression


Family history and twin studies suggest that mood disorders have a genetic basis ­ you are
twice as likely to develop a mood disorder if a relative has it than if no relative has it
In twin studies if there is a 100%…

Page 2

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Research suggests that women who have depression due to the menstrual cycle have a
history of depression not related to the menstrual cycle, suggesting that hormone such as
oestrogen do not have an influence on depression


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