The correct answer is chemistry and medicine
Chemistry is a branch of science which deals with the study of substance at microscopic level. Experts of this field are interested in finding out what, when, and how a particular substance is formed. And to check whether that substance is possible to be imitate through any chemical experiments or not.
Medicine is a branch of science in which treating, preventing and diagnosing of any diseases with help of chemical compounds. Expert of this field are of interest to find out which chemical compounds can be used to treat or prevent diseases.The chemical compounds used in treating and preventing diseases are usually known as pharmaceutical drugs.
Many pharmaceutical drugs are organic compounds that were originally synthesized chemically in the laboratory which means that chemistry and medicine disciplines of science are connected to each other by pharmaceutical drugs.