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noblegas
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Depression seems to pose an evolutionary paradox. Research in the US and other countries estimates that between 30 to 50 percent of people have met current psychiatric diagnostic criteria for major depressive disorder sometime in their lives. But the brain plays crucial roles in promoting survival and reproduction, so the pressures of evolution should have left our brains resistant to such high rates of malfunction. Mental disorders should generally be rare — why isn’t depression?
This paradox could be resolved if depression were a problem of growing old. The functioning of all body systems and organs, including the brain, tends to deteriorate with age. This is not a satisfactory explanation for depression, however, as people are most likely to experience their first bout in adolescence and young adulthood...
source: http://www.scientificamerican.com/article.cfm?id=depressions-evolutionary&page=2
Interesting. So ,depression is linked to high analytical thinking skills; They are saying the reason why some people who isolate themselves from external stimuli like social interaction and not eating anything is because they need to used all of their internal energy to think about and try to the determine why they are in this state that they are currently in and try to produced solutions to get themselves out of that state; It just does not apply to yourself but also to problems you've been working on such as a math problem; Isaac Newton was depressed and he spent most of his time alone working on physics problems and of course practicing alchemy ; When most of you think about a problem be it a personal problem or a math problem , do you feel depressed?
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