A new study from Wheeling Jesuit University in Wheeling, West Virginia, shows that pine and strawberry-scented air fresheners decrease anxiety and anger on the road.
Researchers exposed drivers to the scents and monitored their driving tendencies including lane speed, collisions and reaction times.
Lead researcher Dr. Bryan Raudenbush says test subjects claimed to experience a 20 percent drop in anxiety and anger when they smelled pine or strawberry.
Raudenbush says the two scents also decrease fatigue and keep drivers more alert, but do not affect human physiology by lowering blood pressure or heart rate.
The study was commissioned by AroMetrics, a division of Valvoline that sells air fresheners.
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