Study links stress, pain to higher cortisol levels

02/27/2013 | PsychCentral.com

Stress may be be a key factor in chronic pain, especially for patients with a smaller hippocampus, University of Montreal researchers reported in the journal Brain. The study linked smaller hippocampal volume to greater levels of cortisol, which is associated with a vulnerability to pain. Study participants with chronic pain also had higher levels of cortisol.

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