(Huffington Post) – When it comes to aromatherapy, it could really be possible to have too much of a good thing.
Taiwanese researchers found that the positive effects of aromatherapy — where breathing in the aromas from essential oils can have calming, blood pressure-lowering effects — can actually turn into negative ones if you engage in the therapy for longer than an hour.
“Our results suggest that exposure to essential oil for one hour would be effective in reducing heart rate and blood pressure,” study researcher Dr. Kai-Jen Chuang, of the Taipei Medical University in Taiwan, said in a statement. “However, the most interesting finding of our study is that exposure to essential oil for over an hour was associated with elevated blood pressure and heart rate.”
The small new study, published in the European Journal of Preventive Cardiology, included 100 young, healthy men and women who work in spas. About once a week for three weeks, the study participants underwent two-hour aromatherapy sessions of pure bergamot essential oil via an ultrasonic ioniser, all while having their blood pressure and resting heart rate monitored.
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