'Aromatherapy can cheer, but not heal' | entertainment | Hindustan Times
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'Aromatherapy can cheer, but not heal'

Adding that expensive scented oil to your bath may help your mood, but it won't do much for your health, an upcoming study at the Ohio State University has found.

entertainment Updated: Mar 04, 2008 11:28 IST

Adding that expensive scented oil to your bath may help your mood, but it won't do much for your health, an upcoming study has found.

Health and beauty companies have made millions off the soothing scents of aromatherapy products.

But like many home remedies, there is no hard science to prove that these smells do any real good.

A group of researchers at Ohio State University decided to test the supposed stress-relieving and healing properties of two of the most popular aromatherapy scents: lavender and lemon.

"We all know that the placebo effect can have a very strong impact on a person's health but beyond that, we wanted to see if these aromatic essential oils actually improved human health in some measurable way," said lead author Janice Kiecolt-Glaser, psychiatry and psychology professor at Ohio State University.

A series of experiments found there were none. And in some cases, distilled water showed even more of an effect than lavender.

"The take home message is that good smells may make you feel better, but you should not count on them to change your physiology," Kiecolt-Glaser said in an email.

To test the impact of the smells, researchers taped cotton balls laced with essential oils and distilled water to the nostrils of 56 healthy male and female volunteers while they underwent a series of tests over three half-day sessions.

To see if the smells could help manage pain responses they dunked the subject's feet in ice cold water.