The Mayo Clinic and WebMD websites use Research Symptoms. Increasing number of people are using the internet to research health concerns. The Mayo Clinic and WebMD websites use computerized symptom to check symptoms. A person can put details about their symptoms on this websites and research them. The symptom is checked by a website. The two main functions are to facilitate self-diagnosis and to assist with targeting a diagnosis based on what you feel that happens. The self-diagnosis function provides a list of diagnoses, patients on the range of diagnoses that might fit their symptoms and with what urgency you need to take the base of their diagnoses. Pros and Con's of The Mayo Clinic and WebMD websites. The Mayo Clinic and