Examining these processes through modern science reveals that what Donguibogam describes as qi stagnation, food stagnation, and dampness-phlegm involves mechanisms far more complex than ordinary dyspepsia. The gut contains vast numbers of nerve cells and neurotransmitters, earning it the name second brain, or the enteric nervous system. The enteric nervous system connects directly with the brain, exchanging continuous signals through the gut-brain axis. This pathway explains why psychological factors such as stress and anxiety directly alter digestive function. The qi stagnation of Donguibogam often corresponds in modern medicine to enteric nervous system dysfunction, leading to hypomotility of the gastrointestinal tract.
Frequent belching and gas are also closely tied to the gut microbiota ecosystem, or microbiome. When the balance between beneficial bacteria and harmful bacteria is disrupted and harmful bacteria proliferate, excessive gas forms as they ferment food. Conditions such as small intestinal bacterial overgrowth develop through a similar process. The concepts of food stagnation and dampness-phlegm in Donguibogam encompass the broad consequences of gut dysbiosis, including digestive enzyme deficiencies, reduced gastric acid secretion, and impaired bile secretion. When food is not broken down properly and remains in the intestines, gas production increases.
Stimulating LI4 has clear scientific relevance in this context. LI4 belongs to the large intestine meridian of hand-yangming, which runs up the arm to the face and head, and it connects closely with the autonomic nervous system. Research indicates that acupressure on LI4 influences the autonomic nervous system, including the vagus nerve, helping regulate digestive secretions, improve intestinal motility, and ease stress responses. The vagus nerve is a central pathway of the gut-brain axis, directing digestive peristalsis, secretory activity, and inflammatory balance. Acupressure on LI4 does not merely encourage local circulation; it functions as a switch that supports communication between the brain and the gut, helping restore digestive balance. Activating the enteric nervous system helps reduce gas production and promote intestinal motility, easing bloating and belching. This practice uses the body's own regulatory mechanisms to support digestion.
