Spirituality, which is the study of spirit ideally free from man-made dogma, can help us to access a higher perspective which reveals to us the energy field of limitless possibilities.  We can then move beyond our programming and discover who we really are as divine beings.  This is the source of Agape Love and thus transcends any lower vibrational frequency which leads to joy and peace. 

My understanding as a student of Kabbalah is that the tree of life is the map back to God which is encoded in our DNA.    

Absolutely not.  Kabbalah is the study of the Tree of Life that is present in all of our cells.  It is the map back to God, ourselves and others.  It is about learning to ask the right questions such as Who am I? What am I? Where did I come from?  Where am I going? What is my purpose in life?  I personally study the Hermetic Universal Kabbalah from the lineage of King Salomon which is not associated with any religion and is open to all students looking for knowledge and wisdom.