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Archive for the ‘health’ category: Page 35

Feb 13, 2024

Mucus contains vital data to help address diseases such as inflammatory bowel disease and colon cancer

Posted by in categories: biotech/medical, chemistry, health

New research from UBC Okanagan could make monitoring gut health easier and less painful by tapping into a common—yet often overlooked—source of information: the mucus in our digestive system that eventually becomes part of fecal matter.

Researcher Dr. Kirk Bergstrom and post-graduate student Noah Fancy of UBCO’s Biology department have discovered a non-invasive technique to study MUC2, a critical gut protein, from what we leave behind in the bathroom.

Theie findings are published in the Journal of Biological Chemistry.

Feb 13, 2024

Drexel University researchers develop AI-guided robotic structural inspection system

Posted by in categories: health, information science, robotics/AI

Researchers based at the Drexel University College of Engineering have devised a new method for performing structural safety inspections using autonomous robots aided by machine learning technology.

The article they published recently in the Elsevier journal Automation in Construction presented the potential for a new multi-scale monitoring system informed by deep-learning algorithms that work to find cracks and other damage to buildings before using LiDAR to produce three-dimensional images for inspectors to aid in their documentation.

The development could potentially work to benefit the enormous task of maintaining the health of structures that are increasingly being reused or restored in cities large and small across the country. Despite the relative age of America’s built environment, roughly two-thirds of today’s existing buildings will be in use in the year 2050, according to Gensler’s predictions.

Feb 12, 2024

Oregon Confirmed a Human Case of the Bubonic Plague. It Was Likely Caused By a Cat

Posted by in categories: biotech/medical, health

A case of the bubonic plague has hit Oregon, and the likely cause was a cat.

Health officials in Deschutes County announced last week that a resident, who has not been identified, had been diagnosed with the plague, in the state’s first human case in eight years. The individual was likely infected by their cat, the department says.

“All close contacts of the resident and their pet have been contacted and provided medication to prevent illness,” said Dr. Richard Fawcett, the Deschutes County Health Services Officer.

Feb 12, 2024

How Obesity Dismantles our Mitochondria: Study reveals Key Mechanism behind Obesity-related Metabolic Dysfunction

Posted by in categories: biotech/medical, health

The number of people with obesity has nearly tripled since 1975, resulting in a worldwide epidemic. While lifestyle factors like diet and exercise play a role in the development and progression of obesity, scientists have come to understand that obesity is also associated with intrinsic metabolic abnormalities.

Now, researchers from University of California San Diego School of Medicine have shed new light on how obesity affects our mitochondria, the all-important energy-producing structures of our cells.

In a study published in Nature Metabolism, the researchers found that when mice were fed a high-fat diet, mitochondria within their fat cells broke apart into smaller mitochondria with reduced capacity for burning fat. Further, they discovered that this process is controlled by a single gene. By deleting this gene from the mice, they were able to protect them from excess weight gain, even when they ate the same high-fat diet as other mice.

Feb 11, 2024

Playing an Instrument linked to better Brain Health in Older Adults

Posted by in categories: health, media & arts, neuroscience

Engaging in music throughout your life is associated with better brain health in older age, according to a new study published by experts at the University of Exeter.

Scientists working on PROTECT, an online study open to people aged 40 and over, reviewed data from more than a thousand adults over the age of 40 to see the effect of playing a musical instrument—or singing in a choir—on brain health. Over 25,000 people have signed up for the PROTECT study, which has been running for 10 years.

The team reviewed participants’ musical experience and lifetime exposure to music, alongside results of cognitive testing, to determine whether musicality helps to keep the brain sharp in later life.

Feb 9, 2024

A balanced gut microbiota can improve sports performance

Posted by in categories: health, neuroscience

The gut microbiota influences sports performance and resilience after physical exercise. Also, practicing moderate exercise on a regular basis results in a healthier bacterial composition and, therefore, better physical and mental health.

Feb 9, 2024

6 Medical Breakthroughs Remaking Modern Health

Posted by in categories: biotech/medical, health, neuroscience

From Alzheimer’s discoveries to animal organ transplants, new breakthroughs are improving and extending lives.

Feb 8, 2024

Cannabis and Anxiety: Latest Findings from Ontario Study

Posted by in categories: biotech/medical, health, neuroscience

Could cannabis use lead to anxiety disorders? This is what a recent study published in EClinicalMedicine hopes to address as a team of researchers led by the Ottawa Hospital Research Institute examine the connection between cannabis use and anxiety disorders by patients who have had emergency department visits. While this study was limited to Canada, it holds the potential to help researchers, legislators, and the public better understand the long-term risks of cannabis on mental health disorders throughout the world.

For the study, the researchers analyzed health records from 2008 to 2019 for 12,099,144 individuals between 10 and 105 years of age across Ontario, Canada who had no prior history of being diagnosed with an anxiety disorder from any hospital visit and compared this to the general population. In the end, the researchers found that 27.5 percent of individuals who visited a hospital for cannabis use were diagnosed with an anxiety disorder within three years of their hospital visit, whereas only 5.6 percent of the general population experienced the same. Additionally, they found that individuals who visited a hospital for cannabis use also visited a hospital for an anxiety disorder within three years of the initial hospital visit, whereas only 1.2 percent of the general population experienced the same.

“Our results suggest that individuals requiring emergency department treatment for cannabis use were both at substantially increased risk of developing a new anxiety disorder and experiencing worsening symptoms for already existing anxiety disorders,” said Dr. Daniel Myran, who is a Faculty of Medicine in the Department of Family Medicine at the University of Ottawa and lead author of the study.

Feb 8, 2024

Deadly fungal disease spreading across the US explained

Posted by in categories: biotech/medical, health

C. auris, a type of yeast that can cause severe illness, is a “global health threat”, according to experts.

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Feb 6, 2024

New Model for Norovirus Offers Promising Path Towards Countermeasure Development

Posted by in categories: biotech/medical, food, genetics, health

Norovirus, a highly infectious virus that is the leading cause of diarrhea and vomiting in the U.S., has no approved therapeutics or vaccines to prevent its miserable effects. This is partly due to a lack of reliable animal models to study norovirus infection and predict how effective interventions would be in people. To solve this, NIAID scientists have developed an animal model to study human norovirus infection that could help facilitate the development of new vaccines and therapeutics to treat norovirus infection. Findings from this research were published Feb. 6 in Nature Microbiology.

Human norovirus causes illness in tens of millions of people in the U.S. each year and, in some cases, can result in hospitalization and even death. It is easily spread when people ingest foods, drinks or particles from surfaces contaminated by virus from the stool or vomit of an infected individual. Noroviruses are genetically diverse, with different genogroups—groups characterized by genetic similarity—of the virus infecting different species of animals. Several genogroups of noroviruses infect people without similarly infecting animals. This has led to difficulties in establishing an animal model for human norovirus infection.

Following up on earlier evidence that rhesus macaque monkeys could develop norovirus infections, a team of researchers led by scientists at NIAID’s Vaccine Research Center set out to determine whether macaques could serve as an effective animal model for the human disease. The macaques were challenged with several genotypes of human noroviruses at once. Throughout the experiment, the animals were kept in biocontainment, and their health and behavior were carefully monitored. Levels of virus in the animals’ stool were measured, and antibodies against norovirus in the animals’ blood serum were analyzed. The researchers found that the macaques were susceptible to viral infection with at least two genotypes of norovirus, with similar antibody responses, shedding of virus in stool, and pathology as in human norovirus infection. Notably, the infections in the animals did not result in clinical symptoms, such as diarrhea and vomiting.

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