One-third of adults in the United States self-diagnose, and a sizeable portion of people go online for information on medical symptoms they are having. It is unknown how frequently people hunt up information about their symptoms before having a formal medical diagnosis, despite the fact that polls are notoriously unreliable. The main objective of this study was to examine any potential repercussions of using websites for self-diagnosis. For this study, we collected searches made on a general-purpose internet search engine by US residents who self-reported having one of 20 medical illnesses. We focused on diseases with clear symptoms or both that don't receive normal medical care or screening. As a result, they are often discovered following a careful investigation of particular symptoms.We counted the number of these people who looked for indicators of their condition before receiving a formal diagnosis. Through the use of a survey questionnaire, the familiarity of laypeople with the symptoms associated with these disorders was also assessed. Despite the fact that information regarding potential diagnoses and how to treat them has already been made available through books and pamphlets, the development of self-diagnosis websites is unique for a number of reasons. According to our research, a wide range of people research their symptoms online before seeking a formal medical diagnosis. This finding has important repercussions for medical problem screening systems

.