How We Dispose of Our Garbage
Many degenerative diseases like Alzheimer disease(dementia) and Parkinson's disease are characterized by garbage accumulation in the brain. In the body, garbage disposal is carried out by the lymphatic system which runs alongside veins and the spinal cord, and driven by pulsation from muscle contraction, nerves and pressure build-up in the interstitium. It sweeps through in tissues and as it does so, carries with it tissue debris that has not been or has been poorly cleared by tissue phagocytes, and failed to return into venous blood. The debris passes through lymph nodes, where more phagocytosis takes place, and the lymph vessels empty into the the large veins, and the debris is cycled and broken down in the liver through metabolism and sent out in feces, or excreted in the kidney. New lymph is formed from interstitial fluid, found in all tissues. The lymphatic vessels from the digestive tract contain the lymphatic fluid that carr...