1. There is a long and rich tradition of body and temperament types which culminated in the work of W.H. Sheldon that could be brought into relationship with Jung's psychological types. See some of the other resources and discussion areas in this world of Jung's psychology.
2. The explosive growth of modern biochemistry and genetics has discovered many interesting findings that could be examined from the point of view of Jung's typology. These topics include everything from brain lateralization to dopamine levels and the function of the pineal gland. For more on these topics see the discussion area The Genetics of Psychological Types, as well as the Table of Contents of Tracking the Elusive Human, Vol. II.

What would you add to this list?

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