What Is a Lymph Node?

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In this podcast, we're going to talk about lymph nodes and your immune system.

You can think of the lymphatic system as a back-up drainage system to prevent excess fluid retention. But, this is just a minor function. The big function is the activation of the immune system. 

 One of the purposes of the lymph nodes is to keep a pathogen from spreading throughout the body. You will have an entire war going on within the lymph nodes if there is a pathogenic microbe.

A person has hundreds of lymph nodes throughout the body. Inside of a lymph node, there are lymphocytes. There are three primary lymphocytes:

1. Natural killer cells (kill viral-infected cells) 

2. T cells (kill specific microbes and determine self from non-self) 

3. B cells (make antibodies)

Inside of the lymph node:

 • There are a lot of antibody reactions going on

 • The immune system presents tiny parts of pathogens to the T cells 

 • There is a lot of lymph-blood exchange 

 • It filters certain cancer cells

The spleen is the largest lymph node. When someone has their spleen out, they have an increased risk of infection. Chronic stress activates cortisol, which then can shrink the lymphatic system. A zinc deficiency is another thing that can cause issues with the spleen and the entire lymphatic system.

Dr. Eric Berg DC Bio:

Dr. Berg, 51 years of age is a chiropractor who specializes in weight loss through nutritional & natural methods. His private practice is located in Alexandria, Virginia. His clients include senior officials in the U.S. government & the Justice Department, ambassadors, medical doctors, high-level executives of prominent corporations, scientists, engineers, professors, and other clients from all walks of life. He is the author of The 7 Principles of Fat Burning.

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