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Archive for August 3rd, 2012

The Mind in Cancer: Low Quality Evidence from a High-Impact Journal

My science writing covers diverse topics but increasingly concerns two intertwined themes in cancer and psychology. First, I bring evidence to bear against an exaggerated role for psychological factors in cancer, as well as against claims that the cancer experience is a mental health issue for which many patients require specialty mental health interventions. Second, I explore unnoticed social and organizational influences and publishing practices, which limit evaluation of the best evidence for theories and practices claiming to be evidence based, especially those recommended (and even mandated) by professional organizations and accrediting bodies.

I benefit from a great set of international collaborators, and my colleagues and I have repeatedly  debunked claims that psychological interventions increase the survival time of cancer patients by improving their immune systems. Wally Sampson and Bernie Fox provided important inspiration for these efforts. A key source of such claims is the classic Lancet study by David Spiegel, which I will dissect in a later post for ScienceBasedMedicine.org (for now, see our published critique of Spiegel).
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Posted in: Cancer, Neuroscience/Mental Health, Science and the Media

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