• Emanuelle Thais Zanatta, Giulia Puppi de Macedo Wanderley, Isabel Kuchpil Branco, Daiane Pereira, Letícia Hanae Kato, and Eliane Mara Cesário Pereira Maluf.
• Universidade Positivo - Curitiba (PR), Brazil.
• Rev Assoc Med Bras (1992). 2021 Jul 1; 67 (7): 926-930.

ObjectiveThe aim of this study was to evaluate the search for health information on the Internet and to determine the frequency and main means of spreading fake health news.MethodsA descriptive cross-sectional study was conducted through the virtual distribution of questionnaires on social media platforms in 2019 by using the snowball technique. The questionnaire collected information regarding sociodemographics, means used to clarify doubts about health, implementation of information obtained through the Internet, receipt of fake news, and means of transmission of fake news. Quantitative variables are described as means and standard deviations, and categorical variables are described as frequencies and percentages. The chi-square and Fisher's exact tests were used.ResultsOut of 1,195 respondents, 53% had followed Internet guidance without consulting a health professional, especially young people and individuals with low education levels (p<0.05). The resources most used to answer questions about health were a physician (78%) and Google (51%), and searches using the latter were more predominant among younger age groups (p<0.05). A large part of the sample (89.4%) had received fake news, and the main means of receipt were Facebook and WhatsApp.ConclusionsThe Internet was the second most commonly used means to search for health information. A significant portion of the population adopts actions based on this information. The frequency of broadcasting fake news through this digital medium is high.

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