'Forest bathing' or Shinrin-yoku is the practice of walking slowly through the woods for a morning, an afternoon or a day. As you gently walk and breathe deeply, the essential oils of the trees are absorbed by your body and have an extraordinary effect on positive feelings, stress hormone levels, parasympathetic nervous activity, sympathetic nervous activity, blood pressure, heart rate and brain activity. This wonderful book by the leading expert in the field, brings together ancient ways and wisdom with cutting edge environmental health science.