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Variations in plasma lipid concentration during examination stress

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Abstract

The effect of psychological stress on plasma lipids was studied in 40 law students (20 men and 20 women). Plasma cholesterol, triglyceride, and apolipoprotein concentrations were examined at the beginning of the quarter and during the week before final examinations. Cortisol, blood pressure, and heart rate, and self-reports of stress and workload were also measured to verify that examinations were associated with increased stress levels. Perceived stress, perceived workload, and Cortisol increased before examinations. Low density lipoprotein cholesterol (LDL-C) increased 5.8 ± 13.9 mg/dL, and apolipoprotein B (apo B) increased 2.9 ± 4.0 mg/dL. High density lipoprotein cholesterol decreased in women only. These changes were not due to changes in dietary intake or indexes of plasma volume. However, changes in Cortisol and changes in LDL-C and apo B were associated, suggesting a neuroendocrine component to the effects. These results suggest that episodic, stressful situations may lead to potentially atherogenic changes in lipid and lipoprotein concentrations.

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Authors and Affiliations

  1. University of Washington School of Medicine, Seattle, WA, USA

    Barbara S. McCann, G. Andrew, H. Benjamin, Charles W. Wilkinson, James Carter, Barbara M. Retzlaff, Joan Russo & Robert H. Knopp

  2. Cardiovascular Behavioral Medicine Program, Psychiatry and Behavioral Sciences, University of Washington School of Medicine, 1100 Olive Way. Suite 1430, 98101-1827, Seattle, WA

    Barbara S. McCann

Authors
  1. Barbara S. McCann
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  2. G. Andrew
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  3. H. Benjamin
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  4. Charles W. Wilkinson
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  5. James Carter
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  6. Barbara M. Retzlaff
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  7. Joan Russo
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  8. Robert H. Knopp
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Corresponding author

Correspondence to Barbara S. McCann.

Additional information

This work was supported by grants HL45707 and DK35816 (Clinical Nutrition Research Unit).

The assistance of Holly Callahan, Elizabeth Colasurdo, Margaret Poole, Barbara Scheffler, Mary Vaughan, Richard Vertz. and Chi H. Yun is gratefully acknowledged. We appreciate the support and continued interest of the University of Washington School of Law.

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McCann, B.S., Andrew, G., Benjamin, H. et al. Variations in plasma lipid concentration during examination stress. Int. J. Behav. Med. 3, 251–265 (1996). https://doi.org/10.1207/s15327558ijbm0303_5

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