Why the study?
Does olfactory stimulation by fresh rose flowers improve heart rate variability and subjective feelings in female university students?
Population
19 female university and graduate students (mean age 21.6 years, range 19.0-26.0 years) in Japan.
Comparison
Olfactory stimulation by fresh rose flowers vs Air as a control
Design
Other
Key result
Olfactory stimulation by fresh rose flowers induced a significant increase in parasympathetic nervous activities and an increase in comfortable and natural feelings compared to air.
Authors
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May support relaxation in healthy young women; leaves open effects on clinical populations or cardiovascular outcomes.
Does olfactory stimulation by fresh rose flowers improve heart rate variability and subjective feelings in female university students?
Olfactory stimulation with fresh rose flowers may induce physiological and psychological relaxation by increasing parasympathetic nervous activity.
Igarashi et al. (2014) studied this question. Olfactory stimulation by fresh rose flowers vs. Air was evaluated on Heart rate variability and subjective evaluations. Olfactory stimulation by fresh rose flowers induced a significant increase in parasympathetic nervous activities and an increase in comfortable and natural feelings compared to air.
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