The lymphatic system is a major part of the body’s waste‑removal and immune‑defence network. It begins with blood plasma, which carries oxygen, nutrients, hormones, minerals, vitamins, proteins, antibodies, and white blood cells. When this plasma leaves the bloodstream, it becomes tissue fluid that nourishes cells and collects their waste. Most of this fluid returns to the blood, but the portion that doesn’t becomes lymph.

Lymph enters tiny lymphatic capillaries, which absorb waste materials too large to re‑enter the bloodstream. From there, lymph travels through lymph vessels to lymph nodes, where harmful substances, toxins, and pathogens are filtered and neutralised. If this system becomes congested, waste builds up in the tissues, swelling can occur, and the body’s ability to prevent illness — including cancer — becomes compromised.

When lymph drainage slows, waste products, undigested fats, proteins, and toxic by‑products from fermented or putrefied food can enter the intestinal lymph vessels. These substances eventually reach the cisterna chyli — a sac‑like lymph reservoir located in front of the first two lumbar vertebrae — and then move upward through the thoracic duct, the body’s main lymphatic channel.

Lymphatic congestion is also linked to poor bile flow from the liver and gallbladder. When bile secretion is restricted, digestion weakens, food remains undigested, and intestinal bacteria begin breaking it down in ways that produce toxic compounds. These toxins can then enter the lymphatic system, adding to the burden and contributing to further congestion.