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Ghrelin Elevated in Black Women Leads to Increased Food Intake & Diabetes

Posted: Wednesday, September 22, 2004

cardiovascular morbidity, the present study compared a single postprandial ghrelin measure in 43 women (22 white, 21 black). Each completed a rigorously controlled 4-d dietary intervention designed to maintain weight and constant daily sodium and potassium intake. Two hours after consuming a test meal of identical content, blood samples were drawn to assess postprandial ghrelin, leptin, and norepinephrine; resting cardiovascular function was measured; and a 24-h urinary cortisol sample was obtained.

Independent of body mass index, postprandial ghrelin was significantly higher in black vs. white women, and higher ghrelin was associated with higher cortisol in blacks, who failed to show the expected inverse relation between ghrelin and central obesity seen in whites.

Higher ghrelin was correlated with higher blood. These findings suggest subnormal postprandial ghrelin suppression (or faster ghrelin rebound) in black women, especially the obese, that might play a role in their increased prevalence of obesity and cardiovascular disorders.

Source: Diabetes In Control.com