What are the defferences between health and e-health?

eHealth (also written e-health) is a relatively recent term for healthcare practice which is supported by electronic processes and communication. The term is inconsistently used: some would argue it is interchangeable with health care informatics, while others use it in the narrower sense of healthcare practice using the internet.

health as "a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity" [1]. In more recent years, this statement has been modified to include the ability to lead a "socially and economically productive life