Conclusions Anorectal pressure and gastrointestinal hormones were abnormal in patients with IBS.

Objective to observe the effect of gunfire noise on gastrointestinal transit of solid food, and to probe its mechanism by measuring the levels of plasma polypeptide hormones.

Acupuncture of acupoints of the Stomach Meridian had a specific regulation on gastrointestinal functional activities, gastrointestinal hormones in the blood, stomach and bulbar area postrema.