Forest in a bottle: scented oils may boost immunity after cancer treatment
NCT ID NCT05012813
First seen Nov 01, 2025 · Last updated May 16, 2026 · Updated 28 times
Summary
This study tested whether breathing in humidified wood or fragrant oils could simulate the immune-boosting effects of a forest walk. Twenty-eight adults who had finished chemotherapy or radiation for early-stage breast or prostate cancer took part. The goal was to see if this approach is practical and to measure changes in natural killer cells, which help fight infections and cancer.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Locations
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OHSU Knight Cancer Institute
Portland, Oregon, 97239, United States
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