Whereas no standard definition of mobile health (mHealth) exists, one can view the term from both a micro- and macro-perspective. From a micro view, mHealth can be defined as the use of mobile devices to promote healthy behaviors and provide timely personalized medicine for improved health outcomes. mHealth brings health promotion and health care directly to individuals. As a result, mHealth enhances individualized wellness, which promotes behaviors and self-management of health conditions affording healthier lifestyles, better illness prevention, earlier intervention, and ongoing monitoring.

From a big-picture, or macro-perspective, mHealth is a transformative strategy that improves health outcomes by significantly expanding access to health information and services. This goal is congruent with the World Health Organization’s definition of mHealth: “[M]edical and public health practice supported by mobile devices, such as mobile phones, patient monitoring devices, personal digital assistants, and other wireless devices.”...

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