The answer is yes, the northwestern Larch tree can boost the immune system. The fiber that has this amazing immune boosting property is found in the wood of the larch tree and its called arabinogalactan (AG). Researchers recently discovered that AG can boost the activity of natural killer (NK) cells, these cells kill off microbes and cancer cells as soon as it detected in the body. In laboratory tests, AG has shown to prevent cancer cells from spreading to the liver and organ…