Sunday, March 4, 2012

Depression could be evolutionary byproduct of immune system

Summary: Some previous proposals for the role of depression in evolution have focused on how it affects behavior in a social context. A pair of psychiatrists addresses this puzzle in a different way, tying together depression and resistance to infection. They propose that genetic variations that promote depression arose during evolution because they helped our ancestors fight infection.

Critic: Interesting

Impact: This might help depressed people.

Reference: http://www.biologynews.net/archives/2012/03/01/depression_could_be_evolutionary_byproduct_of_immune_system.html

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