Discussion: The location of symptoms does not necessarily reveal the main problem. Often the illness is along the harmed energy channel. (Meridian)

The immune system is present throughout the body, but its manifestation may differ in the organs/systems. This phenomenon's explanation stems from the nutrients' availability and ability to reach and repair accumulated tissue damage. The blockages result from compromised blood, bile, and lymphatic flow. (The Causes are mainly due to an unhealthy mental and physical lifestyle.)

Link: The holistic principle and balancing gut flora are crucial for proper immune functioning.
https://www.sf-healing.com/page/110 (Copy & Paste)