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Why stress may cause abdominal pain, from the Harvard Mental Health Letter

Many people who experience stress literally feel it in the gut. A part of the nervous system known informally as the “brain-gut axis” is the reason, explains the August 2010 issue of the Harvard Mental Health Letter.

The brain interacts with the rest of the body through the nervous system, which has several major components. One of them is the enteric nervous system, which helps regulate digestion. In life-or-death situations, the brain triggers the “fight or flight” response. It slows digestion, or even stops it completely, so the body can focus all of its internal energy to facing the threat. But less severe types of stress, such as an argument, public speaking, or driving in traffic, also can slow or disrupt the digestive process, causing abdominal pain and other gastrointestinal symptoms.

Dr. Michael Miller, editor in chief of the Harvard Mental Health Letter, describes several psychological interventions to reduce stress and ease gastrointestinal pain. These include cognitive behavioral therapy to recognize and change stress-inducing thinking, relaxation techniques to calm the body, and gut-directed hypnosis, which combines deep relaxation with positive suggestions focused on gastrointestinal function.

Read the full-length article: “Stress and the sensitive gut”

Also in this issue of the Harvard Mental Health Letter

  • References for “Pathological gambling”
  • References for "Alternatives to antidepressants during pregnancy"
  • References for “Stress and the sensitive gut”
  • Pathological gambling
  • Alternatives to antidepressants during pregnancy
  • Stress and the sensitive gut
  • In Brief: Large study finds brain training does not improve overall cognitive fitness
  • In Brief: The Quirky Brain: Why addiction causes craving
  • Ask the doctor: What is the choking game?

More Harvard Health News »


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Harvard Health Publications publishes four monthly newsletters--Harvard Health Letter, Harvard Women's Health Watch, Harvard Men's Health Watch, and Harvard Heart Letter--as well as more than 50 special health reports and books drawing on the expertise of the 8,000 faculty physicians at Harvard Medical School and its world-famous affiliated hospitals.