Herbology is the study and use of certain plants and minerals for medicinal purposes. A wide variety of chemical compounds are synthesized in plants. These compounds are used to perform important biological functions which the body may need assistance in. Herbal formulas have a lower toxicity level, or none at all, compared to common over-the-counter western drugs. When they are prescribed according to the patient’s diagnosis, there should be beneficial healing results with few, if any, side effects. Patients receive custom herbal prescription unique to his or her immediate condition. As the patient’s body changes, so might the formula.