Predatory journals, as defined by COPE in a thoughtful discussion document, are those that operate for profit in a “deceptive or fraudulent way and without any regard for quality assurance.” These journals undermine trust in science by enabling t... Recently, ICMJE and COPE made recommendations to address this important problem, promoting interventions such as improvements in author education, vigilance in verifying a journal’s stated affiliations and policies, and the use of tools such as htt...