The concepts of dampness-phlegm and blood stasis in Donguibogam are far from outdated folklore. Modern medicine provides a scientific framework for these traditional observations. Blood circulation is comparable to a finely engineered highway network. In modern clinical terms, dampness-phlegm can be understood as an umbrella concept encompassing metabolic waste, excess body fat, and chronic inflammatory mediators. Blood stasis corresponds to states in which cholesterol plaque, thrombi on the vascular endothelium, or inflammation-damaged endothelial cells persist without proper clearance. In essence, these terms describe the cellular and metabolic debris that compromises vascular health.
When such substances accumulate on the vascular endothelium, vascular elasticity declines and the lumen narrows, much like an aged water pipe narrowing with rust. Vascular endothelial cells do not merely serve as a passive conduit; they actively secrete nitric oxide, a critical molecule regulating vascular tone. Nitric oxide gently dilates blood vessels, facilitating smooth blood flow and reducing blood pressure. However, when chronic inflammatory substances such as dampness-phlegm and blood stasis build up from excessive sugar intake, irregular eating habits, lack of physical activity, and stress, endothelial function deteriorates and nitric oxide secretion drops markedly.
Consequently, the vessels stiffen and contract, forcing the heart to exert far greater pressure to circulate blood. This mechanism marks the development of hypertension. Elevated blood pressure places persistent strain on the heart and vasculature, substantially increasing the risk of cardiovascular disease, including arteriosclerosis, heart attack, stroke, and renal failure. Furthermore, higher blood viscosity and slowed flow promote the formation of a thrombus, which can lead to complete, critical vascular occlusion.
The autonomic nervous system also exerts substantial control over circulation. The sympathetic nerve, activated during stressful situations, constricts vessels and raises heart rate, elevating blood pressure. Aligning with the traditional principle that blocked qi leads to stagnant blood, modern medicine views chronic stress as a principal cause of autonomic nervous system imbalance that worsens circulatory disorders and hypertension. Cortisol, a stress hormone, raises blood glucose and blood pressure while promoting inflammatory cascades that further erode vascular health.
Therefore, improving circulation and maintaining optimal blood pressure requires more than taking an antihypertensive; it demands addressing the fundamental lifestyle patterns that generate dampness-phlegm and blood stasis. Supplying vascular-protective nutrients through a balanced diet, preserving arterial elasticity with regular exercise, and managing stress to restore autonomic nervous system balance are the core steps to keeping the body's vascular network clear and resilient.
