The scent of a romantic partner could be just what you need to help lower stress levels, a new University of British Columbia study has found.

The study, led by UBC graduate student Marlise Hofer, involved 96 opposite-sex couples.

The men were given a clean T-shirt to wear for 24 hours, and were told to refrain from using deodorant and scented body products, smoking and eating certain foods that could affect their scent. The T-shirts were then frozen to preserve the scent.

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

Each woman 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.

The study found that women feel calmer after being exposed to their male partner香蕉视频直播檚 scent. Conversely, being exposed to a stranger香蕉视频直播檚 scent had the opposite effect and raised levels of the stress hormone, cortisol.

香蕉视频直播淢any people wear their partner香蕉视频直播檚 shirt or sleep on their partner香蕉视频直播檚 side of the bed when their partner is away, but may not realize why they engage in these behaviours,香蕉视频直播� Hofer said.

香蕉视频直播淥ur findings suggest that a partner香蕉视频直播檚 scent alone, even without their physical presence, can be a powerful tool to help reduce stress.香蕉视频直播�

Those leading the study, including co-authors Hanne Collins and Ashley Whillans, also say that evolutionary factors could influence why the stranger香蕉视频直播檚 scent affected cortisol levels.

香蕉视频直播淔rom a young age, humans fear strangers, especially strange males, so it is possible that a strange male scent triggers the 香蕉视频直播榝ight or flight香蕉视频直播� response that leads to elevated cortisol,香蕉视频直播� Hofer said. 香蕉视频直播淭his could happen without us being fully aware of it.香蕉视频直播�

Frances Chen, the study香蕉视频直播檚 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香蕉视频直播檙e away from loved ones.

香蕉视频直播淲ith globalization, people are increasingly traveling for work and moving to new cities,香蕉视频直播� Chen said. 香蕉视频直播淥ur 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香蕉视频直播檙e far from home.香蕉视频直播�

ashley.wadhwani@bpdigital.ca
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