In addition to professional and personal suffering, burnout puts distressed workers at further risk of physical and psychological problems if ignored. This is significant, as burnout, clinical depression, or anxiety related to the workplace affects at least 10% of North Americans and Europeans, according to estimates prepared by the International Labor Organization.
"We hypothesized that healthy workers with chronic stress and with mild burnout symptoms would have worse physiological dysregulations and lower cortisol levels – a profile consistent with burnout," Juster explained. Cortisol is a stress hormone involved in our bodies stress response and naturally as part of our body's daily rhythm. Cortisol levels are often high in people suffering from depression, while it tends to be low in cases of burnout. Too much cortisol can be as bad as too little when it comes to both mental and physical health.
Chronic stress and misbalanced cortisol levels can exert a kind of domino effect on connected biological systems. The term "allostatic load" represents the physiological problems or 'wear and tear' that ensue in these different systems related to risks for diabetes, cardiovascular disease, and immune problems. By looking at various factors such as insulin, sugar, cholesterol, blood pressure, and inflammation, an allostatic load index can be constructed and then used to detect problems before they occur. "The strength of the allostatic load model is its flexible inclusion of numerous biological systems that get strained by chronic stress. Complementary use of saliva samples and validated questionnaires allows us to go beyond measuring susceptibilities to, say, metabolic syndromes or heart problems, but also into the realm of mental health," Juster said.
The results of this first pilot study were obtained by testing thirty middle-aged participants. In addition to undergoing routine blood measures that assessed allostatic load, participants were instructed to collect saliva at home and during a laboratory paradigm. They also filled out questionnaires related to their current stress levels as well as symptoms of depression and burnout.
This research is part of a greater effort to develop personalized medicine in this field. Personalized medicine targets the customization of treatment according to the needs of the individual. "In an effort to advance person-centered approaches in prevention and treatment strategies, we have to investigate the biopsychosocial signatures of specific diseases," Lupien said. "For conditions like burnout where we have no consensus on diagnostic criteria and where there is overlap with symptoms of depression, it is essential to use multiple methods of analysis. One potential signature of burnout appears to be fatigued production of the stress hormone cortisol and dysregulations of the physiological systems that interact with this stress hormone."
Critically, people with burnout are often treated with anti-depressant medications that lower cortisol levels. If cortisol is already lower than it should be, this course of treatment could represent a therapeutic mistake. "The use of an allostatic load index gives researchers and clinicians a window to see how chronic stress is straining the person. In the future, we need studies that track people over time to determine whether this profile of low cortisol and physiological dysregulations is indeed burnout's autograph. If so, science will be one step closer to helping distressed workers before they burn out," Juster noted.
The research was published in Psychoneuroendocrinology and received funding from the Canadian Institutes of Health Research. Dr. Sonia Lupien is Scientific Director of Fernand-Seguin Research Centre of Louis–H. Lafontaine Hospital and is an associate professor with the Department of Psychiatry at Université de Montréal. Dr. Lupien is the Founder and Director of the Centre for Studies on Human Stress. She also holds a Senior Investigator Chair on Sex, Gender and Mental Health from the Canadian Institute of Gender and Health (IGH). Juster is affiliated with the Fernand-Seguin Research Centre of Louis-H. Lafontaine Hospital and the Centre for Studies on Human Stress. He's a Ph.D. candidate in the Department of Neurology and Neurosurgery at McGill University.
William Raillant-Clark | EurekAlert!
New antibody analysis accelerates rational vaccine design
09.08.2018 | Scripps Research Institute
Distrust of power influences choice of medical procedures
01.08.2018 | Johannes Gutenberg-Universität Mainz
Scientists develop first tool to use machine learning methods to compute flow around interactively designable 3D objects. Tool will be presented at this year’s prestigious SIGGRAPH conference.
When engineers or designers want to test the aerodynamic properties of the newly designed shape of a car, airplane, or other object, they would normally model...
Researchers from TU Graz and their industry partners have unveiled a world first: the prototype of a robot-controlled, high-speed combined charging system (CCS) for electric vehicles that enables series charging of cars in various parking positions.
Global demand for electric vehicles is forecast to rise sharply: by 2025, the number of new vehicle registrations is expected to reach 25 million per year....
Proteins must be folded correctly to fulfill their molecular functions in cells. Molecular assistants called chaperones help proteins exploit their inbuilt folding potential and reach the correct three-dimensional structure. Researchers at the Max Planck Institute of Biochemistry (MPIB) have demonstrated that actin, the most abundant protein in higher developed cells, does not have the inbuilt potential to fold and instead requires special assistance to fold into its active state. The chaperone TRiC uses a previously undescribed mechanism to perform actin folding. The study was recently published in the journal Cell.
Actin is the most abundant protein in highly developed cells and has diverse functions in processes like cell stabilization, cell division and muscle...
Scientists have discovered that the electrical resistance of a copper-oxide compound depends on the magnetic field in a very unusual way -- a finding that could help direct the search for materials that can perfectly conduct electricity at room temperatur
What happens when really powerful magnets--capable of producing magnetic fields nearly two million times stronger than Earth's--are applied to materials that...
The quality of materials often depends on the manufacturing process. In casting and welding, for example, the rate at which melts solidify and the resulting microstructure of the alloy is important. With metallic foams as well, it depends on exactly how the foaming process takes place. To understand these processes fully requires fast sensing capability. The fastest 3D tomographic images to date have now been achieved at the BESSY II X-ray source operated by the Helmholtz-Zentrum Berlin.
Dr. Francisco Garcia-Moreno and his team have designed a turntable that rotates ultra-stably about its axis at a constant rotational speed. This really depends...
08.08.2018 | Event News
27.07.2018 | Event News
25.07.2018 | Event News
14.08.2018 | Information Technology
14.08.2018 | Life Sciences
14.08.2018 | Life Sciences