It is possible to measure levels of the stress hormone cortisol not only in blood but also in saliva. Linköping physician Elisabeth Aardal-Eriksson has further developed a saliva test to make it reliable and easy to use, not only in hospitals but also in the field. The findings are presented in a dissertation at Linköping University, Sweden. The researcher has also found that the corisol content of saliva is related to the occurrence of so-called posttraumatic symptoms of stress.
In the first section of her dissertation, Elisabeth Aardal-Eriksson has developed the method for measuring, tested it in connection with a standardized loading of the stress system, and, in a smaller study, combined it with psychological self-assessment (in which the person being tested provides his/her own information about how he/she feels). This self-assessment also included questions about possible posttraumatic symptoms such as nightmares and painful memories.
The second section of the thesis consists of two studies of Swedish UN soldiers who have served in Bosnia. In one of these studies cortisol and stress levels were metered both before and at different times after their tour of duty in Bosnia. In another study cortisol levels and stress reactions were investigated in a group of UN soldiers involved in a landmine accident in Lebanon.
Ingela Björck | alphagalileo
Neutrons produce first direct 3D maps of water during cell membrane fusion
21.09.2018 | DOE/Oak Ridge National Laboratory
Narcolepsy, scientists unmask the culprit of an enigmatic disease
20.09.2018 | Universitätsspital Bern
The building blocks of matter in our universe were formed in the first 10 microseconds of its existence, according to the currently accepted scientific picture. After the Big Bang about 13.7 billion years ago, matter consisted mainly of quarks and gluons, two types of elementary particles whose interactions are governed by quantum chromodynamics (QCD), the theory of strong interaction. In the early universe, these particles moved (nearly) freely in a quark-gluon plasma.
This is a joint press release of University Muenster and Heidelberg as well as the GSI Helmholtzzentrum für Schwerionenforschung in Darmstadt.
Then, in a phase transition, they combined and formed hadrons, among them the building blocks of atomic nuclei, protons and neutrons. In the current issue of...
Thin-film solar cells made of crystalline silicon are inexpensive and achieve efficiencies of a good 14 percent. However, they could do even better if their shiny surfaces reflected less light. A team led by Prof. Christiane Becker from the Helmholtz-Zentrum Berlin (HZB) has now patented a sophisticated new solution to this problem.
"It is not enough simply to bring more light into the cell," says Christiane Becker. Such surface structures can even ultimately reduce the efficiency by...
A study in the journal Bulletin of Marine Science describes a new, blood-red species of octocoral found in Panama. The species in the genus Thesea was discovered in the threatened low-light reef environment on Hannibal Bank, 60 kilometers off mainland Pacific Panama, by researchers at the Smithsonian Tropical Research Institute in Panama (STRI) and the Centro de Investigación en Ciencias del Mar y Limnología (CIMAR) at the University of Costa Rica.
Scientists established the new species, Thesea dalioi, by comparing its physical traits, such as branch thickness and the bright red colony color, with the...
Scientists have succeeded in observing the first long-distance transfer of information in a magnetic group of materials known as antiferromagnets.
An international team of researchers has mapped Nemo's genome, providing the research community with an invaluable resource to decode the response of fish to...
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