A biopsychosocial model of functional GI disorders has led to increased Vrschikasana Yoga Pose interest in self-regulation or mind-body therapies including hypnosis, biofeedback, guided imagery, meditation, and relaxation Vrschikasana Yoga Pose techniques. These may work by reducing the perception of pain and stress leading to decreased SNS drive, blood pressure, heart rate, serum lactic acid, and tonic muscle tension. Autonomic dysfunction has been implicated in IBS. Yoga Postures and Right Nostril Breathing In a two-month RCT of 22 men aged 20 to 25 years with diarrhea-predominant IBS, conventional symptomatic treatment with loperamide 2 to 6 mg/day n=11 was compared with a yoga intervention n=9. The yoga intervention included 12 yoga postures and right nostril breathing twice a day. Both groups showed significant reductions in bowel symptoms and state anxiety. In the conventional treatment group, electrophysiologically recorded gastric activity increased, whereas, in the yoga group PNS response was enhanced measured as heart rate parameters Taneja, Deepak, Poojary, Acharya, Pandey et al., 2004.