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In traditional medicine, the idea has existed for some time. The scent of lavender would soothe and soothe fear. University researchers from Kagoshima in Japan confirm this idea now.
Lavender is lavender. Chemically speaking, linalool belongs to the group of alcohols. The fabric has a pleasant smell and is often used in all kinds of cleaning and care products. Japanese researchers exposed the mice to the smell of linalool, while the animals were in a stressful environment. For example, a very light environment or a homeless environment. The smell of lavender caused a less anxious and agitated response of mice to a stressful environment.
In some mice, scientists removed the brain cells needed to smell the olfactory neurons. In these mice, lavender showed no effect. They were as stressed by the aromas as by others.
Anxiolytic drugs prescribed to people cause activation of GABA receptors. These receptors inhibit certain processes that have a calming effect. Japanese scientists have investigated whether the smell of lavender from the same receptors provided a soothing effect. Some of the mice received flumazenil, a substance that blocks GABA receptors. Lavender also has no effect in these mice.
Researches indicate for the first time that it is essential to smell lavender to achieve the soothing effect. Because in mice where the scented signal does not happen in brain cells important for smell, there is no effect. Previously, it was thought that linalool entered the bloodstream by inhalation and worked soothingly along this pathway. In addition, research also shows that GABA receptors play a role in the soothing effect of lavender.
It is important to better understand the mechanism underlying the relaxing effect of linalool to switch to possible lavender treatments, for example in anxiety just before anesthesia. Or with people who have trouble swallowing pills. Nevertheless, they first discover the degree of safety of the administration of the substance.
The results are published in Frontiers in Behavioral Neuroscience
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