It has traditionally been thought that expressing your anger can be associated with increased blood pressure and higher rates of heart disease. But new research just published in the journal Psychological Science suggests that this is only true in some cultures. Professor Shinobu Kitayama, from the University of Michigan in the United States, looked at large populations in the US and Japan and measured anger being expressed as well as blood pressure and markers of inflammation. The results and analysis have just been published in the journal Psychological Science.
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