You will learn about the physical interaction of the Four Elements in Lesson One, Module One of the Home Study Course. The lesson gives you an outline of the physical aspects of the body and its relationship to the four temperaments and their analogies with the four elements and how they relate to the four faculties of clairvoyance, clairaudience, clairsentience and claircognizance. You will learn how the elements influence the body in a positive and negative way. As an example, the fiery element in its negative aspect can promote jealousy, irritability, anger and so on, but in its positive aspect, give you courage, enthusiasm and plenty of energy. Further information can be obtained by writing for a prospectus.