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ScienceDaily: Top Health News |
| Screening device accurately detects amblyopia (lazy eye) Posted: 27 Sep 2021 02:29 PM PDT A handheld screening device that detects subtle misalignment of the eyes accurately identifies children with amblyopia (lazy eye), according to a new study. |
| Sunlight exposure guidelines may need to be revised Posted: 27 Sep 2021 12:05 PM PDT Previously published solar exposure guidelines for optimal vitamin D synthesis based on a study of skin samples may need to be revised. |
| N95 respirators could offer robust protection from wildfire smoke Posted: 27 Sep 2021 11:36 AM PDT N95 respirators offer the best protection against wildfire smoke and other types of air pollution, performing better than synthetic, cotton and surgical masks. N95s were so effective in the lab experiments that the researchers estimate their widespread use could reduce hospital visits attributable to wildfire smoke by 22% to 39%. |
| Withdrawal from psychostimulants restructures functional architecture of brain Posted: 27 Sep 2021 11:36 AM PDT Researchers describe how withdrawal from nicotine, methamphetamine and cocaine alters the functional architecture and patterns in the brains of mice, compared to control animals, a key to developing addiction treatments. |
| Drugs used by some Type 2 diabetics may lessen risk for severe COVID-19 outcomes, study suggests Posted: 27 Sep 2021 10:20 AM PDT A type of drug already used to treat obesity and Type 2 diabetes, when taken six months prior to the diagnosis of COVID-19, was associated with a decreased risk of hospitalization, respiratory complications and death in COVID-19 patients with Type 2 diabetes, according to researchers. |
| Benefits of early intervention in autoimmune diseases Posted: 27 Sep 2021 10:20 AM PDT Complex autoimmune diseases affecting various organ systems remain one of the greatest medical challenges in spite of immense advances in treatment. In particular, the diffuse symptoms at the early stage of complex autoimmune diseases make it hard to diagnose the condition early on, which in turn delays treatment. A team of researchers has now demonstrated that treatment can be extremely effective if autoimmune diseases are treated as early as possible, even before the first clinical symptoms appear. |
| Detecting dementia in the blood Posted: 27 Sep 2021 10:20 AM PDT Researchers want to image proteins with unprecedented precision -- and thus gain insights into the molecular pathogenesis of Alzheimer's. This should pave the way for an earlier diagnosis of the dementia disorder via a simple blood test. A successful pilot study has now been completed. |
| Watching SARS-CoV-2 spread in animal models in real time Posted: 27 Sep 2021 09:12 AM PDT New 'reporter viruses' developed by researchers make it much easier to observe SARS-CoV-2 and its variants in cells and live animals in the lab, enabling faster screening of potential anti-viral drugs, vaccines and neutralizing antibodies. |
| Discovery of mechanics of drug targets for COVID-19 Posted: 27 Sep 2021 09:12 AM PDT Researchers have discovered the working mechanism of potential drug targets for various diseases such as cancer, rheumatoid arthritis, and even COVID-19. The findings uncover the inner workings of cell receptors that are involved in cancer progression and inflammatory diseases. |
| Hungry or full: It comes down to the atomic details Posted: 27 Sep 2021 08:05 AM PDT A protein - measuring just a few nanometers in size - acts as a molecular switch with a crucial role in determining whether we feel hungry or full. By determining of the protein's 3D structure, researchers were able to visualize the molecular structures of the hormones with which this protein -- melanocortin 4 receptor (MC4R) -- interacts. |
| Taking the guesswork out of genetic engineering Posted: 27 Sep 2021 08:04 AM PDT If necessity is the mother of invention, frustration is the father. When scientists kept running into aggravating problems with the existing tools and methods they were using to perform genetic engineering experiments, they decided to make better ones. They teamed up and created an integrated pipeline called STAMPScreen that combines novel algorithms, a new gene cloning technique, and powerful next-generation sequencing technology to help scientists get from a database to results quickly, easily, and frustration-free. |
| Spouses really are together in sickness and in health suggests new study Posted: 27 Sep 2021 07:25 AM PDT Examining spouses from Japan and the Netherlands, a new study suggests that couples have a high degree of commonality in body shape, blood pressure, and even incidences of some diseases. |
| Healthy changes in diet, activity improved treatment-resistant high blood pressure Posted: 27 Sep 2021 06:21 AM PDT A healthy eating plan, weight loss and improved aerobic fitness can significantly reduce blood pressure and improve heart health in people with resistant hypertension -- a condition in which blood pressure remains high despite the use of three or more antihypertensive medications. |
| COVID-19 pandemic has caused the biggest decrease in life expectancy since World War II, study finds Posted: 27 Sep 2021 05:22 AM PDT A dataset on mortality from 29 countries, spanning most of Europe, the United States and Chile, found that 27 countries saw reductions in life expectancy in 2020, and at a scale which wiped out years of progress on mortality. The large declines in life expectancy in the U.S. can partly be explained by the notable increase in mortality at working ages observed in 2020. |
| Finger tracing enhances learning: Evidence for 100-year-old practice used by Montessori Posted: 26 Sep 2021 03:27 PM PDT A practice used by education pioneer Montessori in the early 1900s has received further validation, with studies showing that finger tracing makes learning easier and more motivating. Imagining an object after tracing it can generate even faster learning, for children and adults alike. |
| A 3D-printed vaccine patch offers vaccination without a shot Posted: 24 Sep 2021 03:25 PM PDT Scientists have created a 3D-printed vaccine patch that provides greater protection than a typical vaccine shot. |
| Posted: 24 Sep 2021 03:25 PM PDT Specific and dynamic changes on electrocardiograms (EKGs) of hospitalized patients with COVID-19 or influenza can help predict a timeframe for worsening health and death, according to a new study. |
| Unusual visual examination of objects may indicate later autism diagnosis in infants Posted: 24 Sep 2021 03:25 PM PDT A new study suggests that unusual visual inspection of objects may precede the development of the social symptoms that are characteristic of autism syndrome disorder. |
| New potential factor contributing to severity of COVID-19 identified Posted: 24 Sep 2021 07:43 AM PDT Researchers have identified a protein that may critically contribute to severe forms of COVID-19. |
| Contact-tracing apps could improve vaccination strategies Posted: 22 Sep 2021 11:32 AM PDT Mathematical modeling of disease spread suggests that herd immunity could be achieved with fewer vaccine doses by using Bluetooth-based contact-tracing apps to identify people who have more exposure to others -- and targeting them for vaccination. |
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