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Hypothesis: Internalized Racism (INR) the psychological state of believing, internalizing, and acting in accordance with the negative stereotypes and beliefs of another ethnic groups produces a chronic defeat response to psychosocial stresses which leads to impaired cortisol levels.
Background: It’s been demonstrated in African Caribbean women that high levels of INR is associated with a reduced difference between peak morning and low evening salivary Cortisol levels, suggesting dysregulation (impaired) of Cortisol.
Aim: The aim of this study is to determine if high levels of INR in a convenient South African sample leads to impaired Cortisol levels.
Methods: In South Africa INR was measured and collected from male and female non-diabetic South Africans ages 20 and above with high and low INR. Cortisol levels were collected and determined from each patient using saliva samples collected from 9:00AM-11:30AM and 2:45PM-4:00PM.
Results: The data suggest INR leads to impaired Cortisol regulation in South Africans. This is shown through the reduced difference between the morning and afternoon samples of patients with high INR in the diurnal rhythm in cortisol secretion of those with low INR.