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UBC study finds unlikely cure for stress: smelling your partner’s shirt

Eric Zimmer Jan 05, 2018 10:26 am 5,262

Using aromatherapy to deal with stress isn’t a new concept, but a new study out of UBC offers a fresh idea on just what sort of scent can help take the edge off: the smell of your partner’s clothing.

The study, published this week in the Journal of Personality and Social Psychology, found women feel calmer after being exposed to their male partner’s scent. Conversely, being exposed to a stranger’s scent had the opposite effect and raised levels of the stress hormone cortisol.

“Many people wear their partner’s shirt or sleep on their partner’s side of the bed when their partner is away, but may not realize why they engage in these behaviours,” said Marlise Hofer, the study’s lead author and a graduate student in the UBC department of psychology.

“Our findings suggest that a partner’s scent alone, even without their physical presence, can be a powerful tool to help reduce stress.”

For the study, the researchers recruited 96 opposite-sex couples. Men were given a clean T-shirt to wear for 24 hours, and were told not to use deodorant and scented body products. They were also asked to avoid smoking and eating certain foods that could affect the smell. The T-shirts were then frozen to preserve the scent.

The women were randomly assigned to smell a T-shirt that was either unworn, or had been worn by their partner or a stranger. They were not told which one they had been given.

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The women then underwent a stress test that involved a mock job interview and a mental math task, and also answered questions about their stress levels and provided saliva samples used to measure their cortisol levels.

They found that women who had smelled their partner’s shirt felt less stressed both before and after the stress test. Those who both smelled their partner’s shirt and also correctly identified the scent also had lower levels of cortisol, suggesting that the stress-reducing benefits of a partner’s scent are strongest when women know what they’re smelling.

Meanwhile, women who had smelled a stranger’s scent had higher cortisol levels throughout the stress test.

Frances Chen, the study’s senior author and assistant professor in the UBC department of psychology, said the findings could have practical implications to help people cope with stressful situations when they’re away from loved ones.

“With globalization, people are increasingly traveling for work and moving to new cities,” said Chen. “Our research suggests that something as simple as taking an article of clothing that was worn by your loved one could help lower stress levels when you’re far from home.”

For those currently living the single life, don’t stress about it too hard: scented candles and soothing music can still work wonders.

Eric Zimmer
Staff Writer at Daily Hive.

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