Hay House Lifestyles Series: Aromatherapy A-Z by Alan Higley, Connie Higley and Pat Leatham Herbs have been used from the time of recorded history for every facet of life-health, healing, energy, creativity, work, love, birth, death, regeneration, meditation, survival, and more. They are all-encompassing and timeless, as nature itself is infinite and eternal. Therapeutic herbs have a unique spirit, with wide-ranging properties and far-reaching possibilities for medicinal activity.