About the field of Microbiology and Immunology: The general field of biology encompasses an extremely wide range of fields and specializations since all life can fall under this general category. Microbiology tends to focus specifically on microscopic life forms while immunology deals with the body's immune system and immune responses. Frequently, students interested in microbiology and immunology will put there research to use in identifying the reasons for illness and trying to find ways to fight diseases. This tends to be a highly research-oriented degree. Related fields include: cancer biology , cellular/molecular biology , conservation biology , developmental biology , ecology , evolutionary biology , marine biology , neurobiology , oral biology , structural biology , anatomy , anesthesiology , biochemistry , bioengineering , bioethics , biomedical sciences , biometrics or biostatistics , chemistry , clinical laboratory sciences , epidemiology , genetics , genetic counseling , health sciences , and human_development . Cancer biology can also provide a good foundation for those interested in becoming medical doctors or pursuing medical research . Some programs also tend to have a business application such as those in the biotechnology or medical informatics .