huile essentiel de rose et cerveau. Rose Essential Oil and brain. hygiene dentaire et prevention. dental hygien preventive. lithium reverse Alzheimer’s damage, even in later stages… lithium alzheimer
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A recent study has demonstrated that continuous exposure to Rose Essential Oil ("Rose otto") through inhalation can lead to measurable increases in gray matter volume in the human brain.
Rose Essential Oil and brain. I
n this randomized controlled intervention, 50 healthy women participated: 28 in the experimental group applied Rose Essential Oil to their clothing daily for one month, while 22 in the control group used plain water. Before and after the period, researchers used magnetic resonance imaging (MRI) to assess changes in brain structure. The results indicated a significant increase in gray matter volume (GMV) across the whole brain, with a particularly notable effect in the posterior cingulate cortex (PCC)—a region involved in memory processing, self-referential thinking, and emotional regulation. No significant changes occurred in areas like the amygdala or orbitofrontal cortex.
The olfactory pathway likely explains this effect: aromatic compounds from the rose oil travel directly to the limbic system, providing sustained stimulation that may promote neuroplasticity and help counteract age-related brain atrophy. The authors suggest this could have implications for dementia prevention, as the PCC is among the regions affected early in conditions like Alzheimer's disease.
This appears to be the first evidence that prolonged scent inhalation can induce structural changes in the adult human brain.
[Kokubun, K., et al. (2024). Continuous inhalation of essential oil increases gray matter volume. Brain Research Bulletin, 208, 110896. DOI: 10.1016/j.brainresbull.2024.110896]
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Ilana Rachel Daniel CA
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