Standing in Class Yielded Amazing Results for This Group of Students
Pilot study finds standing desks may have improved student test scores.
Is there any real benefit to standing desks? An exploratory study published in the International Journal of Environmental Research and Public Health puts forth evidence that this standing desk trend may have legs.
Researchers saw students' test scores improve by 7 to 14 percent after using standing desks for two semesters (about 27.5 weeks). Tests given at the beginning and end of the school year measured the students' cognitive abilities, such as working memory and reasoning. The researchers also used a portable device to take brain images, called a functional near infrared spectroscopy, of 14 of the 27 high school students at the beginning and end of the year as well. The images showed an increase in brain activity in the left prefrontal cortex, which is associated with reasoning.
“These findings provide the first preliminary evidence on the neurocognitive benefits of standing desks, which to date have focused largely on energy expenditure,” the authors wrote.
It should be noted that this was a pilot study. There was no control group to determine whether outside factors could have contributed to this boost in cognitive functioning. However, the researchers reason that “cognitive improvements with age” or “school-related educational activities over time,” would not be able to influence these students in such a short amount of time. They say, “Studies have demonstrated that executive function and working memory capabilities, such as those tested in this study, have shown to mature around age 12.”
The intent of this study was to “make an important first contribution to the existing knowledge base regarding the relationships between physical activity, basic cognition, and brain function in adolescents.”
However, the office and schools haven't changed much since the dawn of deskwork. Technology has helped us to design solutions to work and access information, but the desk space where we work and learn for eight hours of the day hasn't changed much. Standing desks are on the rise, but they haven't gained wide adoption. Some people have said adopting a standing desk has helped them avoid the 3 PM slump.
Sitting is killing us, but treadmill desks aren't practical. Standing desks are a non-invasive solution to the sitting problem. If your office hasn't gotten up to speed with the science, there are products out there you can buy yourself, such as the Storkstand, but they're often expensive. So, if you want to try out a standing desk (without making your wallet cry) the Oristand costs only $25.
Natalie has been writing professionally for about 6 years. After graduating from Ithaca College with a degree in Feature Writing, she snagged a job at PCMag.com where she had the opportunity to review all the latest consumer gadgets. Since then she has become a writer for hire, freelancing for various websites. In her spare time, you may find her riding her motorcycle, reading YA novels, hiking, or playing video games. Follow her on Twitter: @nat_schumaker
In Article: Texas A&M University
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It's one of the most consistent patterns in the unviverse. What causes it?
- Spinning discs are everywhere – just look at our solar system, the rings of Saturn, and all the spiral galaxies in the universe.
- Spinning discs are the result of two things: The force of gravity and a phenomenon in physics called the conservation of angular momentum.
- Gravity brings matter together; the closer the matter gets, the more it accelerates – much like an ice skater who spins faster and faster the closer their arms get to their body. Then, this spinning cloud collapses due to up and down and diagonal collisions that cancel each other out until the only motion they have in common is the spin – and voila: A flat disc.
It turns out, that tattoo ink can travel throughout your body and settle in lymph nodes.
In the slightly macabre experiment to find out where tattoo ink travels to in the body, French and German researchers recently used synchrotron X-ray fluorescence in four "inked" human cadavers — as well as one without. The results of their 2017 study? Some of the tattoo ink apparently settled in lymph nodes.
Image from the study.
As the authors explain in the study — they hail from Ludwig Maximilian University of Munich, the European Synchrotron Radiation Facility, and the German Federal Institute for Risk Assessment — it would have been unethical to test this on live animals since those creatures would not be able to give permission to be tattooed.
Because of the prevalence of tattoos these days, the researchers wanted to find out if the ink could be harmful in some way.
"The increasing prevalence of tattoos provoked safety concerns with respect to particle distribution and effects inside the human body," they write.
It works like this: Since lymph nodes filter lymph, which is the fluid that carries white blood cells throughout the body in an effort to fight infections that are encountered, that is where some of the ink particles collect.
Image by authors of the study.
Titanium dioxide appears to be the thing that travels. It's a white tattoo ink pigment that's mixed with other colors all the time to control shades.
The study's authors will keep working on this in the meantime.
“In future experiments we will also look into the pigment and heavy metal burden of other, more distant internal organs and tissues in order to track any possible bio-distribution of tattoo ink ingredients throughout the body. The outcome of these investigations not only will be helpful in the assessment of the health risks associated with tattooing but also in the judgment of other exposures such as, e.g., the entrance of TiO2 nanoparticles present in cosmetics at the site of damaged skin."
Do you have a magnetic compass in your head?
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