Developed by Edward Bach in the early 1900s, Bach Flower Remedies is a system of 38 flower essences used in conjunction with herbs, homeopathy, and medications that seeks to correct emotional imbalances by working on the subtle body instead of the physical body. The pattern in the subtle energy fields of the living plant influences the subtle energy fields of the human being. In prescribing flower essences, the practitioner assesses the whole individual, focusing on the disposition or negative emotions of the person, such as fear, impatience, or overconcern. An essence or combination of essences is then chosen to facilitate change and administered orally.