Which immune cells does forest bathing boost in the study?

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Forest Bathing Enhances Natural Killer Cell Activity, Potentially Aiding Cancer Defence

Forest bathing, a practice involving immersion in nature, has been shown to strengthen the immune system by increasing the number and activity of Natural Killer (NK) cells. These cells play a crucial role in identifying and eliminating cancerous cells. The observed increase in NK cell activity can persist for up to 30 days following a forest bathing session, suggesting a sustained positive impact on the body's defence mechanisms against cancer.
Phytoncides Enhance NK Cell Function

Trees release compounds known as phytoncides, which have a direct impact on the body's Natural Killer (NK) cells. These phytoncides contribute to an increase in both the quantity of NK cells and the levels of specific anti-proteins, including perforin, GRN, and GrA/B, which are integral to the NK cells' ability to target and destroy abnormal cells.
Immune System Strengthening Effects

The practice of forest bathing contributes to a strengthened immune system. Research indicates that this strengthening effect includes specific benefits that can help in warding off cancer. While not a replacement for conventional cancer treatments, the findings suggest a complementary role for forest immersion in promoting health and disease prevention.
Sustained NK Cell Activity

A significant finding from studies on forest bathing is the longevity of its effects on immune function. The elevated activity of Natural Killer (NK) cells, a key component of the immune response against cancer, has been observed to last for as long as 30 days after a single forest bathing session. This extended period of enhanced immune function highlights the profound and lasting benefits of spending time in natural environments.

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Which immune cells does forest bathing boost in the study?

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