The article proposes the new notion of Systems Health Care which is systems approach for more effective and efficient health care. Recent developments of sensor, information, and communication technology have been realizing powerful and evidence-based solution using low invasive and continuous measurements of life style habits and vital signs. The measured indices are variously valuable to be used by diagnosis criterion, prevention, and treatments of metabolic syndrome and life style disease. Besides the ideas, the authors point out the importance of cyclic and continuous development of valuable solutions according to health dynamics and individual dependency. The solution should be suitably provided by coevolutionary integration of smart devices and smart services. Smart device realizes smarter service. Through providing services, smarter devices will be newly developed based on the experience and evidence. In the article, some discussions on health issues and systems approach for health care are organized in the first part. Some case studies and discussions of smart devices and smart services follow them.
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