What phytoncides do trees release, and how do they act?

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Phytoncides Released by Trees Enhance Natural Killer Cell Activity

Trees release phytoncides, which have a direct impact on the body's Natural Killer (NK) cells. These compounds increase both the number of NK cells and the levels of specific anti-proteins like perforin, Granulysin (GRN), and Granzymes A/B. This effect is believed to contribute to strengthening the immune system and potentially aiding in disease prevention, with elevated NK activity observed for up to 30 days following exposure.
Phytoncides Increase NK Cell Count and Function

Research indicates that phytoncides, volatile organic compounds emitted by trees, stimulate the immune system by boosting the activity of Natural Killer (NK) cells. These cells are crucial for identifying and eliminating abnormal cells, including those that are cancerous. The presence of phytoncides leads to a quantifiable increase in the number of NK cells circulating in the body.
Elevated Anti-Protein Levels Support Immune Response

Beyond increasing NK cell numbers, phytoncides also elevate the levels of key anti-proteins associated with immune cell function. Specifically, substances such as perforin, Granulysin (GRN), and Granzymes A/B are found in higher concentrations. These proteins play vital roles in the cytotoxic function of NK cells, enabling them to induce cell death in target cells.
Sustained Immune Boost Following Exposure

The beneficial effects of phytoncide exposure are not fleeting. Studies have shown that the increased activity of Natural Killer cells can persist for a significant period, lasting up to 30 days after an individual has spent time in a forest environment. This sustained enhancement suggests a lasting impact on the body's immune surveillance capabilities.

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What phytoncides do trees release, and how do they act?

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