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Cancer Survival Not Influenced by Emotional Status
A patient’s positive or negative emotional state has no direct or indirect effect on cancer survival or disease progression, according to a large scale new study.
The question of whether or not the mind, through psychological state and emotional status, has the ability to heal organic disease in the body continues to be reviewed and tested in human health research. A large body of evidence strongly suggests that, for life-threatening diseases such as advanced cancer, it does not.
However, this debate continues in popular and scientific circles. Particular importance has been attached to the question because of the belief that if it can be shown that emotions affect the outcome of cancer, then psychotherapy might be able to aid in the fight against cancer.
Dr. James Coyne and colleagues from the University of Pennsylvania say previous studies used patients with many different diseases, small sample sizes and an inadequate number of deaths to be conclusive.
Dr. Coyne’s team analysed data from two community studies of patients with head and neck cancer “to examine whether emotional well being at study entry predicted survival.” Their approach had the methodological strengths of using a homogenous population and many deaths to detect even small statistically significant effects.
The sample included 1,093 patients with head and neck cancer who completed a quality of life questionnaire during their treatment. Of that group, 646 died during the length of the study.
The analysis showed that emotional status was not associated with survival rate. Emotional status was not associated with survival even after investigating several other factors, such as gender, tumour site or disease stage.
Moreover, a recent comprehensive review by the American Cancer Society failed to find credible evidence in the available studies for the claim that cancer patients’ participation in psychotherapy or support groups prolonged their lives.
REHACARE.de; Source: Jon Wiley & Sons, Inc.
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