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> |