“Fake news” in dermatology. Results from an observational, cross-sectional study.
Social networks have become a means for disseminating information on health-related matters.Describe the characteristics and analyze the accuracy of the dermatology content that is most often shared on the most popular social networks.The content most often shared on social networks (Facebook, Pinterest, Twitter, and Reddit) between March 2019 and March 2020 was analyzed using the keywords: acne, alopecia/hair loss, psoriasis, eczema, melanoma, skin cancer, rash, and rosacea. The total number of interactions, skin disease, topic, and origin was collected from each of the records. The content was analyzed and was categorized as precise, confusing, or imprecise based on the scientific evidence available.A total of 385 websites were included. About 44.7% of the shared content was rated as imprecise, 20% as confusing, and 35.3% as precise. The records classified as imprecise obtained a higher mean number of interactions (P