Combating Online Health Misinformation: A Professional's Guide to Helping the PublicDanger of health misinformation online, long a concern of medical and public health professionals, has come to the forefront of societal concerns during the COVID 19 pandemic. Regardless of their motives, creators and sharers of misinformation promote non evidence based health advice and treatment recommendations, and often deny health methods, measures, and approaches that are supported by the best evidence of the time. Unfortunately, many