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| The lymphatic system |
by Jule Klotter
Although often ignored, the lymphatic system plays a crucial role in removing cellular waste and pathogens from the body. Like the cardiovascular system, the lymphatic system circulates fluid. It collects interstitial fluid (extracellular fluid that fills the spaces between most cells) and blood plasma that has squeezed through capillaries into the tissue and returns this fluid to the blood via a system of vessels, one-way ducts, and nodes.
Lymph fluid transports cellular wastes, fats, proteins, immune system agents (e.g., lymphocytes, macrophages), pathogens (bacteria, fungus, virus) and other substances. Smooth muscle tissue in the peripheral lymphatic vessels spontaneously contract when the vessel has stretched to its tolerance, forcing the lymph fluid toward the subclavian vein (near the neck) where it enters the cardiovascular system. Pressure changes caused by breathing and physical movement also help pump lymph. To keep the lymph from flowing backward in response to gravity, one-way valves close after each propulsion. Periodically, the fluid travels through nodes where lymphocytes, monocytes, and plasma cells are formed. There, lymph fluid is filtered, and pathogens are killed or neutralized.
Because of the lymphatics' role in removing wastes and pathogens from the body, people with cancer and other serious illnesses need to enhance lymph flow. In his article 'The Lymph,' Roger Jahnke, OMD explains that movement and deep breathing (two components of qigong and yoga) actually increase the amount of interstitial water produced by cells each day. More interstitial water means more fluid for carrying wastes and pathogens out of the body. In addition to creating more fluid, the postures and movements of qigong and yoga encourage lymph movement through the vessels. Deep breathing also promotes increased lymph flow.
In addition to regular practice of qigong, yoga, and/or pranayama (diaphragmatic breathing), Jen Allbritton, CN, provides several other suggestions for encouraging lymph flow and preventing stagnation. Another form of exercise that stimulates the lymphatic system and helps clear lymph nodes is rebounding on a mini-trampoline. Dry skin brushing with a natural bristle skin brush in the direction of lymph flow is also beneficial as is spending time in a sauna. For people with lymphedema, manual lymphatic massage, performed by a trained massage therapist, may be helpful. Allbritton says that cayenne pepper, horseradish, and ginger stimulate lymph movement and that the herb cleavers is particularly beneficial for the lymphatics.
Allbritton, Jen, CN. Lymph Support for Enhanced Detoxification and Immune Function. (c. 2003) http://personal.healingalt.com/lymph-health.shtml (accessed 7 April 2005)
Jahnke, Roger, OMD. The Lymph. Health World Online, 1996. (Accessed 9 May 2003 at www.healthy.net)
COPYRIGHT 2005 The Townsend Letter Group
COPYRIGHT 2005 Gale Group |
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