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Optimists better at regulating stress

It’s no surprise that those who tend to see a rose’s blooms before its thorns are also better at handling stress. But science has failed to reliably associate optimism with individuals’ – until now.

New research from Concordia University’s Department of Psychology is deepening the understanding of how optimists and pessimists each by comparing them not to each other but to themselves. Results show that indeed the “” cortisol tends to be more stable in those with more positive personalities.

The study, which was recently published in the American Psychological Association’s Health Psychology journal, tracked 135 older adults (aged 60+) over six years, and involved collecting saliva samples five times a day to monitor . This age group was selected becauseolder adults often face a number of age-related stressors and their have been shown to increase.

Participants were asked to report on the level of stress they perceived in their day-to-day lives, and self-identify along a continuum as optimists or pessimists. Each person’s were then measured against their own average. Measuring the against participants’ own average provided a real-world picture of how individuals handle stress because individuals can become accustomed to the typical amount of stress in their lives.

Joelle Jobin, a PhD candidate in clinical psychology who co-authored the study with her supervisor Carsten Wrosch and Michael Scheier from Carnegie Mellon University, says “for some people, going to the grocery store on a Saturday morning can be very stressful, so that’s why we asked people how often they felt stressed or overwhelmed during the day and compared people to their own averages, then analyzed their responses by looking at the stress levels over many days.”

She also notes that pessimists tended to have a higher stress baseline than optimists, but also had trouble regulating their system when they go through particularly stressful situations. “On days where they experience higher than average stress, that’s when we see that the pessimists’ is much elevated, and they have trouble bringing their cortisol levels back down. Optimists, by contrast, were protected in these circumstances,” says Jobin.

While the study generally confirmed the researchers’ hypotheses about the relation between optimism and stress, one surprising finding was that optimists who generally had more stressful lives secreted higher cortisol levels than expected shortly after they awoke (cortisol peaks just after waking and declines through the day). Jobin says there are several possible explanations, but also notes that the finding points to the difficulty of classifying these complex hormones as good or bad. “The problem with cortisol is that we call it “the stress hormone”, but it’s also our ‘get up and do things’ hormone, so we may secrete more if engaged and focused on what’s happening.”

Source

Associations Between Dispositional Optimism and Diurnal Cortisol in a Community Sample: When Stress Is Perceived as Higher Than Normal. Jobin, Joelle; Wrosch, Carsten; Scheier, Michael F. Health Psychology, May 13 , 2013, doi: 10.1037/a0032736

Further information on Carsten Wrosch.

Concordia University