On a daily basis more than 75,000 people submit personal health information in the form of surveys in iPhone apps. The information is processed by scientists who see a create potential in ICT to extend the scope of health studies while keeping costs for studies low. An additional idea is that with the help of a smartphone’s microphone, motion sensors and touchscreen, additional data, such as pollution levels, could be recorded and thereby bringing health research to a whole new level. However questions about privacy, security, ethics and the representativeness of smartphone-based studies have to be considered.
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