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Chronic Stress May Influence Effectiveness Of Vaccines

Date:
March 1, 2001
Source:
Carnegie Mellon University
Summary:
Chronic stress can have an impact on the overall effectiveness of immunizations designed to protect against infectious diseases such as flu, hepatitis and pneumonia according to a critical review of published studies. The news could be important to people who have suppressed immune function, especially the elderly.

Chronic stress can have an impact on the overall effectiveness of immunizations designed to protect against infectious diseases such as flu, hepatitis and pneumonia according to a critical review of published studies. The news could be important to people who have suppressed immune function, especially the elderly.

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Carnegie Mellon Psychologist Sheldon Cohen said that the reviewed studies "support an association between psychological stress and suppression of the humoral immune (antibody) response to immunization." Although flu shots and other vaccines are designed to create a strong immune response, chronic stress apparently can reduce the amount of illness-fighting antibodies that our bodies produce.

"It is interesting that the effectiveness of vaccines that were designed to elicit a big immune response is reduced among people suffering chronic psychological stress," Cohen commented. While flu and other vaccines are still effective, Cohen said that it is possible that the shots will be "less effective among the severely or chronically stressed."

A research team from the Pittsburgh Mind-Body Center, a joint effort of Carnegie Mellon and the University of Pittsburgh, wrote the review. It was published in Psychosomatic Medicine.


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The above story is based on materials provided by Carnegie Mellon University. Note: Materials may be edited for content and length.


Cite This Page:

Carnegie Mellon University. "Chronic Stress May Influence Effectiveness Of Vaccines." ScienceDaily. ScienceDaily, 1 March 2001. <www.sciencedaily.com/releases/2001/03/010301072313.htm>.
Carnegie Mellon University. (2001, March 1). Chronic Stress May Influence Effectiveness Of Vaccines. ScienceDaily. Retrieved January 30, 2015 from www.sciencedaily.com/releases/2001/03/010301072313.htm
Carnegie Mellon University. "Chronic Stress May Influence Effectiveness Of Vaccines." ScienceDaily. www.sciencedaily.com/releases/2001/03/010301072313.htm (accessed January 30, 2015).

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