Parker, Ratzen and Lurie (2003) pointed out that a silent epidemic is affecting the health status of the American population, namely poor health literacy. Actually, inadequate health literacy is the main cause of the patientsâ inability to navigate the health care environment, paving the way for inappropriateness in the provision of care as well as for poor health outcomes. Moreover, it has been esteemed that a third of the European population is not able to properly understand, process and use health information (HLS-EU Consortium, 2012). The same issue has been identified in several Asian countries (see, for example, Nakayama et al., 2015; Pednekar, Gupta & Gupta, 2011). What is striking is thatâuntil todayâthe attention has been focused ...