There is a category of medical oncology called Psycho-Oncology that deals with the link between cancer and unexpressed anger. There is mounting evidence that survival rates for women increase dramatically when they express their negative emotions including anger.
It’s not just emotional expression that impacts survival it’s emotional support as well. A major study, of 847 women with invasive breast cancer, by California Department of Health Services and National Cancer Institute done by California showed the women who reported high levels of both emotional expression and support had better survival rates.
This is all directly related to the hormone cortisol level that increases when we are under stress. Cortisol is known as the stress hormone.
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