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How stress slows wound healing
April 10, 2000Stress can slow the healing of wounds such as cuts and grazes. But how? New evidence suggests an answer: stress lowers the production of some of the chemicals involved in the early stages of wound repair.
These findings were reported today, Thursday 13 April, to The British Psychological Society's Annual Conference, held at the Guildhall, Winchester, by Professor Janice Kiecolt-Glaser of Ohio State College of Medicine, USA.
Professor Kiecolt-Glaser and her colleagues gave 36 female volunteers blisters and then measured the production of chemicals at the wound site up to 22 hours later. Stress made a difference even in these early stages of healing. Those women who reported greater stress had lower levels of two key chemicals. These chemicals, called cytokines, help cause inflammation -an important part of healing.
In a second study, Professor Kiecolt-Glaser and her colleagues showed that getting people to relax helped the wound healing process. Together the findings suggest that stress delays wound repair by reducing the concentration of the cytokines that produce inflammation.
Professor Kiecolt-Glaser was taking part in a symposium at the conference on the impact of stress and emotion on recovery. Other papers in the symposium examined the effect of long term stress on wound healing; disputed the role of psychological factors in recovery from major joint surgery; and examined the role of psychological factors in recovery from stroke.
British Psychological Society (BPS)
Professor Kiecolt-Glaser and her colleagues gave 36 female volunteers blisters and then measured the production of chemicals at the wound site up to 22 hours later. Stress made a difference even in these early stages of healing. Those women who reported greater stress had lower levels of two key chemicals. These chemicals, called cytokines, help cause inflammation -an important part of healing.
In a second study, Professor Kiecolt-Glaser and her colleagues showed that getting people to relax helped the wound healing process. Together the findings suggest that stress delays wound repair by reducing the concentration of the cytokines that produce inflammation.
Professor Kiecolt-Glaser was taking part in a symposium at the conference on the impact of stress and emotion on recovery. Other papers in the symposium examined the effect of long term stress on wound healing; disputed the role of psychological factors in recovery from major joint surgery; and examined the role of psychological factors in recovery from stroke.
British Psychological Society (BPS)
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Alarmed by a substantial oversight in the global climate talks leading up to the United Nations Climate Change Conference in Copenhagen next month, more than 60 of the world's most prominent agricultural scientists and leaders underscored how the almost total absence of agriculture in the agreement could lead to widespread famine and food shortages in the years ahead.
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