The study conducted by Rowe [1] looked at Locus of Control in healthy women and how it might affect the occurrence of breast cancer. Sixty-six women took part in this study, which was published in behavioral medicine.
How the Mind and Body Communicate (part XVII)
Effects of Writing on Illness Vulnerability
There is mounting evidence that extremely upsetting life events which are not expressed, could lead to related disease processes and a heightened probability to illness.(1) Other research looked at the probability to determine if written expression of feelings could be beneficial to subjects. The reasoning goes that some people might not be willing to express themselves verbally about a traumatic event, like in a traditional group support. If written expression could be effective, a pretty sizable amount of individuals might be able to benefit from this research.(2)