According to the abstract for a 1997 journal article in the Notes and Records of the Royal Society the psychogenic hypothesis for the origin of Darwin's illness "holds the field" but the article questions the validity of this diagnosis due to the work of [[Ralph Colp Jr.]] MD, a physician and psychiatrist. <ref>http://www.journals.royalsoc.ac.uk/content/c5la8dhfh8v7tbx8/</ref><ref>http://www.pathlights.com/ce_encyclopedia/Encyclopedia/20hist06.htm</ref> | According to the abstract for a 1997 journal article in the Notes and Records of the Royal Society the psychogenic hypothesis for the origin of Darwin's illness "holds the field" but the article questions the validity of this diagnosis due to the work of [[Ralph Colp Jr.]] MD, a physician and psychiatrist. <ref>http://www.journals.royalsoc.ac.uk/content/c5la8dhfh8v7tbx8/</ref><ref>http://www.pathlights.com/ce_encyclopedia/Encyclopedia/20hist06.htm</ref> |