A study published in the online edition of the American Journal of Psychiatry finds a significant positive correlation between age-adjusted suicide rate and county elevation. Researchers theorize that the association may be related to the effects of metabolic stress associated with mild hypoxia (oxygen deficiency) in individuals with mood disorders.
Journal Reference:
Namkug Kim, Jennie B. Mickelson, Barry E. Brenner, Charlotte A. Haws, Deborah A. Yurgelun-Todd, and Perry F. Renshaw. Altitude, Gun Ownership, Rural Areas, and Suicide. American Journal of Psychiatry, Sep 15, 2010.
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