#Brain Structure Shows Who is Most Sensitive to Pain - “We found that individual differences in the amount of grey matter in certain regions of the brain are related to how sensitive different people are to pain,” said Robert Coghill, Ph.D., professor of neurobiology and anatomy at Wake Forest Baptist and senior author of the study.

http://www.wakehealth.edu/News-Releases/2014/Brain_Structure_Shows_Who_is_Most_Sensitive_to_Pain.htm

http://www.wellcome.ac.uk/en/pain/microsite/science2.html

http://www.csen.com/brain.pdf

http://www.aapainmanage.org/pain_management_news/NEW_newsletter/email/images/brain.pdf

http://bayareapainmedical.com/page1/page30/files/page30-brain-and-pain-lecture-4.pdf

http://medicalxpress.com/news/2013-09-brain-hard-wired-chronic-pain.html#inlRlv

http://www.sciencedaily.com/releases/2014/01/140114114136.htm

http://www.science20.com/news_articles/why_some_people_are_more_sensitive_pain_brain_structure-127704

http://regator.com/p/262938240/brain_structure_shows_who_is_most_sensitive_to/

http://www.medicalnewstoday.com/articles/271234.php