As more of Carl Jung’s work is being published, due to the work of the Philemon Foundation, I am beginning to collect pertinant material relating the mind/body connection.

In Dream Analysis (p. 131) Jung states:

“Instinctive powers are released, partly psychological, partly physiological, and through the release the whole disposition of the body can be changed. One of my students made some experiments on the viscosity of the blood, following the viscosity through different stages of analysis. The viscosity was much less when the patient was muddled, resistant, or in a bad frame of mind. People in such a state of mind are in a condition for infections and physical disturbances. You know how close the connection is between the stomach and mental states. If a bad psychic state is habitual, you spoil your stomach, and it may be very serious.”

Jung, C.G. (1984). Seminar on Dream Analysis. C.G. Jung (Jung Seminars). Princeton University Press.