Marital discord, past depression, and metabolic responses to high-fat meals: Interpersonal pathways to obesity.

نویسندگان

  • Janice K Kiecolt-Glaser
  • Lisa Jaremka
  • Rebecca Andridge
  • Juan Peng
  • Diane Habash
  • Christopher P Fagundes
  • Ronald Glaser
  • William B Malarkey
  • Martha A Belury
چکیده

BACKGROUND Longitudinal studies have implicated both marital distress and depression in the development of the metabolic syndrome, a risk factor for diabetes and cardiovascular disease. This study addressed the impact of hostile marital interactions and a mood disorder history on obesity-related metabolic responses to high-fat meals. METHODS This double-blind, randomized crossover study included serial assessments of resting energy expenditure (REE), fat and carbohydrate oxidation, triglycerides, insulin, glucose, interleukin 6 (IL-6), and tumor necrosis factor alpha (TNF-α) before and after two high-fat meals. During two separate 9.5h visits, 43 healthy married couples, ages 24-61 (mean=38.22), received either a high saturated fat meal or a high oleic sunflower oil meal, both 930kcal and 60g fat. The Structured Diagnostic Interview for DSM-IV assessed mood disorder history. Couples discussed a marital disagreement during both visits; behavioral coding of these interactions provided data on hostile marital behaviors. RESULTS Men and women who displayed more hostile behaviors and who also had a mood disorder history had significantly lower post-meal REE, higher insulin, and higher peak triglyceride responses than other participants, with nonsignificant effects for fat and carbohydrate oxidation. Participants with a mood disorder history had a steeper rise in postprandial IL-6 and glucose than those without a past history. Higher levels of hostile behaviors were associated with higher post-meal TNF-α. The two meals did not differ on any outcome assessed. CONCLUSIONS People spend about 18 of every 24h in a postprandial state, and dining with one's partner is a common daily event. Among subjects with a mood disorder history, the cumulative 6.75-h difference between high and low hostile behaviors translates into 128kcal, a difference that could add 7.6pounds/year. Our findings illustrate novel pathways through which chronic marital stress and a mood disorder history synergistically heighten the risk for obesity, metabolic syndrome, and cardiovascular disease.

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عنوان ژورنال:
  • Psychoneuroendocrinology

دوره 52  شماره 

صفحات  -

تاریخ انتشار 2015