The Nuffield Council on Bioethics has launched a consultation into services aimed at the public that look to bypass the input of GPs.
Lead researcher Professor Christopher Hood, from the University of Oxford, said: 'Cutting out GPs may sometimes be a good thing, providing us with convenience, privacy and control over our health.
'But there is not much regulation of these new services and we may be getting information that causes more harm than good.'
GPs have previously warned that patients are increasingly presenting with false positives picked up by private health screening (GP, 27 February).
Recommendations from the Nuffield Council are expected in spring next year.
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