The smell of rosemary enhances our ability to recall past events and remember what to do in the future studies find.
For one recent study, researchers from Northumbria University placed 150 healthy senior citizens in rooms which had been infused with either rosemary essential oil, lavender essential oil, or no scent at all, and then tested them on their ability to remember to do something at a given time, such as taking medication or posting a letter after seeing a mail box.
Those who had been in the rosemary-scented room demonstrated significantly improved prospective memory and alertness, with test scores 15% higher than those who had been in the room with no aroma.
Those who started in the lavender room displayed significantly increased calmness, with decreased ability to remember to do something at a given time.
Prospective memory “is critical for everyday functioning.” Lauren Bussey of Northumbria University told the Daily Mail. “For example: when someone needs to remember to take medication at a particular time.”
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