Study reveals element in blood is part of human--and hibernating squirrel--stress response
6,685 articles mezi dny 1.10.2020 a 31.10.2020
Study: Sleep apnea treatment reduces heart problems in patients with prediabetes
A new study published in the journal Critical Care Explorations shows for the first time that part of the stress response in people and animals involves increasing the levels of a naturally circulating element in blood. The discovery demonstrates a biological mechanism that rapidly responds to severe physiologic stress and potentially serves to protect us from further damage due to...
Study: Unnecessary stress testing performed prior to knee and hip replacement surgeries
A new study found that people with prediabetes and obstructive sleep apnea can reduce their daytime resting heart rate and risk of cardiovascular disease by using a CPAP machine at night.
Study: Women want more info on reproductive care restrictions from religious hospitals
A new study out of the University of Chicago Medicine shows the overall rate of preoperative stress testing for hip and knee replacements is and has been decreasing consistently since 2006. Still, researchers found, 30,000 out of every 100,000 stress tests performed each year were unnecessary, as the tests didn't decrease the frequency of complications such as heart attacks or stopped hearts.
Survey finds American support for human-animal chimera research
Researchers from the University of Chicago and the University of California, San Francisco found that women value clear information shared early from their health care providers to help them anticipate religious restrictions before their care becomes urgent.
Symptoms, outcomes of sailors in isolation after COVID-19 outbreak on USS Theodore Roosevelt
In September 2015, the US National Institutes of Health placed a funding moratorium on research that involves introducing human pluripotent stem cells into animal embryos. To assess attitudes on human-animal chimeric embryo research, investigators conducted a survey among 430 Americans. The results of the survey, which found that 82% of people are supportive of at least some parts of this...
TGen and HonorHealth study suggests alternative method of diagnosing lung infection
The U.S. Army Public Health COVID-19 Task Force describes the results of an independent investigation of the shore-based USS Theodore Roosevelt outbreak response and 736 sailors in isolation status.
The development of climate security discourse in Japan
As ventilator use in hospitals skyrockets during the COVID-19 pandemic, results of a study by the Translational Genomics Research Institute, City of Hope, HonorHealth Research and Innovation Institute, and the University of Arizona suggests a better way to diagnose ventilator-associated pneumonia (VAP). The findings of this study, which was supervised by Patrick Pirrotte, Ph.D., Director of TGen's...
The most sensitive optical receivers yet for space communications
This research traced discourses related to climate security in Japan to determine why so little exists in Japan and whether or not such discourse could suggest new areas for consideration to more comprehensively respond to the climate change problem. Based on categorization of various approaches by climate security-related literature outside Japan, the study revealed areas where Japan has been...
Timing the life of antimatter particles may lead to better cancer treatment
Communications in space demand the most sensitive receivers possible for maximum reach, while also requiring high bit-rate operations. A novel concept for laser-beam based communications, using an almost noiseless optical preamplifier in the receiver, was recently demonstrated by researchers at Chalmers University of Technology, Sweden.
Tool helps clear biases from computer vision
Experts in Japan have devised a simple way to glean more detailed information out of standard medical imaging scans. A research team made up of atomic physicists and nuclear medicine experts has designed a timer that can enable PET scanners to detect the oxygen concentration of tissues throughout patients' bodies. This upgrade to PET scanners may lead to a future of better cancer treatment by...
Tumor progression depends on the tumor microenvironment
Researchers at Princeton University have developed a tool that flags potential biases in sets of images used to train artificial intelligence (AI) systems. The work is part of a larger effort to remedy and prevent the biases that have crept into AI systems that influence everything from credit services to courtroom sentencing programs.
Tunable free-electron X-ray radiation from van der Waals materials
Researchers from Tokyo Medical and Dental University (TMDU) and Niigata University identified a novel mechanism by which tumors progress. By studying the role of TNF-α and TGF-β in the formation of cancer-associated fibroblasts (CAFs), the researchers found that both proteins together exert a robust effect on the development of CAFs. They further found that oral cancer cells show...
Two molecular handshakes for hearing
The suggested apparatus produces controlled radiation with a narrow spectrum that can be tuned with high resolution, at a relatively low energy investment. The findings are likely to lead to breakthroughs in a variety of fields, including the analysis of chemicals and biological materials, medical imaging, X-ray equipment for security screening, and other uses of accurate X-ray sources
Ultrasensitive microwave detector developed
Scientists have mapped and simulated those filaments at the atomic level, a discovery that shed lights on how the inner ear works and that could help researchers learn more about how and why people lose the ability to hear.
University of Ottawa study finds self-harm may be socially contagious among adolescents
A joint international research team from POSTECH of South Korea, Raytheon BBN Technologies, Harvard University, and Massachusetts Institute of Technology in the U.S., Barcelona Institute of Science and Technology in Spain, and the National Institute for Materials Science in Japan have together developed ultrasensitive sensors that can detect microwaves with the highest theoretically possible...
Using machine learning to predict pediatric brain injury
A new study led by University of Ottawa epidemiologist Dr. Ian Colman suggests non-suicidal self-injury--behaviours like cutting oneself without the intent to die--may be contagious among teenagers, who are more likely to harm themselves when they know someone who has.
Vaccine opposition online uniting around 'civil liberties' argument
When newborn babies or children with heart or lung distress are struggling to survive, doctors often turn to a form of life support that uses artificial lungs. This treatment, called Extracorporeal Membrane Oxygenation (ECMO), has been credited with saving countless lives. But in some cases, it can also lead to long-term brain injury.
Variation among states in hypertensive disorders of pregnancy
Anti-vaccination discourse on Facebook increased in volume over the last decade, coalescing around the argument that refusing to vaccinate is a civil right, according to a study published today in the American Journal of Public Health.
Venom glands similar to those of snakes are found for first time in amphibians
Researchers examined variation among states in how common high blood pressure disorders of pregnancy (including pregnancy-induced hypertension or pre-eclampsia) and eclampsia were among 3.6 million women who had a live birth in 2017.
Why do people respond differently to the same drug?
Brazilian researchers discover that caecilians, limbless amphibians resembling worms or snakes that emerged some 150 million years before the latter, can probably inject venom into their prey while biting.
Why drugs sometimes cause receptor potentiation rather than inhibition
Scientists at Scripps Research have comprehensively mapped how a key class of proteins within cells regulates signals coming in from cell surface receptors. The study reveals that people commonly have variants in these proteins that cause their cells to respond differently when the same cell receptor is stimulated--offering a plausible explanation for why people's responses to the same drugs can...
Why writing by hand makes kids smarter
In order to treat certain brain diseases more precisely and with fewer side effects, researchers are focusing on drugs that only inhibit distinct subtypes of the receptors responding to the neurotransmitter glutamate. However, under certain conditions, such drugs can elicit the opposite effect: Rather than inhibiting the receptors as desired, they potentiate their activity.
Would menthol cigarettes be banned if the typical consumer was young, white and upper-middle class?
New brain research shows that writing by hand helps children learn more and remember better. At the same time, schools are going more and more digital, and a European survey shows that Norwegian children spend the most time online of 19 countries in the EU.
Zika infections drastically underreported during 2015 epidemic
Menthol could be exacerbating deep social inequities according to a paper just published. Researchers at Columbia University Mailman School of Public Health and colleagues at CUNY and Rutgers School of Public Health suggest that a ban on menthol cigarettes could have monumental implications for both the short- and long-term physical and mental health of communities of color.
More than 100 million infections of Zika virus within Central and South America and the Caribbean went undetected between 2015 and 2018, according to a new study.