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To understand individual use of the internet and its impact on individuals, communities and societies is a challenge that is only beginning to be addressed. There are more than 580 million internet users world wide1, and over 16 million active users of the world-wide web in the UK2. This is more than the estimated number of UK smokers yet little has been done to assess the potential health impact of the internet. New developments will lead to further growth in internet usage, and this medium is increasingly being employed for health information and healthcare delivery. Clinicians need to understand the possibilities of this technology, and to be aware of potential threats to health.
Powell et al. (Sat,) studied this question.