Pharmacology is the science and practice of developing and administering chemicals as agents in the treatment of diseases. Pharmaceuticals are drugs used as to treat disease, yet they are also abused for “recreational” purposes or used for criminal purposes. The discipline of pharmacology comprises more than just the chemistry of drugs. It also includes the study of how living organisms react to exposure to drugs. The interactions may be anti-pathogenic, therapeutic, or toxic. The later area of study is toxicology, or the study of poisonous effects. Diseases afflict plants, animals and humans. The use of chemical agents to treat disease is ancient. Folklore among tribal peoples such as the American Indians and traditional medical systems such as those of China and India developed a wide range of pharmaceuticals. The ancient Greeks, led by Galen, Hippocrates and others, developed medicine in a systematic philosophical manner. Greek medical science was inherited by the Arabs and their…