The scent of peppermint or cinnamon in your car may help reduce your frustration, anxiety and fatigue and make you more alert while you're at the wheel, new research contends.

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How the research was done
In a study led by Dr Bryan Raudenbush, associate professor of psychology at Wheeling Jesuit University in West Virginia, participants were exposed to three odour conditions (peppermint, cinnamon, and no odour) during a driving simulation. The odours were added to low-flow oxygen (1,3L/min) and presented to the participants at a rate of 30 seconds every 15 minutes. The participants were then measured for cognitive performance, wakefulness, mood and workload.

"In general, prolonged driving led to increased anger, fatigue, and physical demand, and decreased vigour," Raudenbush said in a prepared statement. "However, fatigue ratings were decreased in the cinnamon condition. Both cinnamon and peppermint administration led to increased ratings of alertness in comparison to the no-odour control condition over the course of the driving scenario."

Benefits in maintaining alertness
"Periodic administration of these odours over long-term driving may prove beneficial in maintaining alertness and decreasing highway accidents and fatalities," the researcher concluded.

The study was presented at a recent conference of the Association for Chemical Reception Sciences in Sarasota, Florida. – (HealthDayNews)
 

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