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ScienceDaily: Top Health News |
| Study shows benefits of early anticlotting therapy in moderate COVID-19 Posted: 13 Jul 2021 03:44 PM PDT New research shows that administering a full dose of a standard blood thinner early to moderately ill hospitalized patients with COVID-19 could halt the thrombo-inflammation process and reduce the risk of severe disease and death. |
| Impairments found in neurons derived from people with schizophrenia and genetic mutation Posted: 13 Jul 2021 03:43 PM PDT A scientific team has shown that the release of neurotransmitters in the brain is impaired in patients with schizophrenia who have a rare, single-gene mutation known to predispose people to a range of neurodevelopmental disorders. |
| Eating whole grains linked to smaller increases in waist size, blood pressure, blood sugar Posted: 13 Jul 2021 01:53 PM PDT A study finds middle- to older-aged adults who ate more servings of whole grains, compared to those who ate fewer, were more likely to have smaller increases in waist size, blood pressure, and blood sugar levels as they aged. All three are linked with increased risk of heart disease. |
| Bacteria are key to vaginal health, study finds Posted: 13 Jul 2021 01:53 PM PDT A recent study defines a mechanistic role for an understudied bacteria family in gynecologic disease. |
| Rats prefer to help their own kind; humans may be similarly wired Posted: 13 Jul 2021 01:53 PM PDT A decade after scientists discovered that lab rats will rescue a fellow rat in distress, but not a rat they consider an outsider, new research pinpoints the brain regions that drive rats to prioritize their nearest and dearest in times of crisis. It also suggests humans may share the same neural bias. |
| 'Long COVID': More than a quarter of COVID-19 patients still symptomatic after 6 months Posted: 13 Jul 2021 01:53 PM PDT In a new study of adults from the general population who were infected with COVID-19 in 2020, more than a quarter report not having fully recovered after six to eight months. |
| Long-term memory setup requires a reliable delivery crew Posted: 13 Jul 2021 11:58 AM PDT Neural plasticity depends on a reliable delivery team of Kinesin protein KIF5C to carry goods like RNA from cell body to synapse, a new study finds. |
| Species of gut bacteria linked to enhanced cognition and language skills in infant boys Posted: 13 Jul 2021 11:58 AM PDT Infant boys with a higher composition of a particular gut microbiota show enhanced neurodevelopment, according to a new study. |
| Air pollution exposure linked to poor academics in childhood Posted: 13 Jul 2021 11:58 AM PDT Children exposed to elevated levels of air pollution may be more likely to have poor inhibitory control during late childhood and poor academic skills in early adolescence, including spelling, reading comprehension, and math skills. Difficulty with inhibition in late childhood was found to be a precursor to later air pollution-related academic problems. Interventions that target inhibitory control might improve outcomes. |
| Preventing lung cancer's unwelcome return Posted: 13 Jul 2021 11:58 AM PDT Approximately 15% of lung cancer tumors are caused by a mutation in a growth receptor called EGFR. An effective drug can kill most of the cancer cells, but the tumor eventually grows back. Researchers investigated the molecular mechanisms behind this relapse. They discovered that some of the cells were resistant to the EGFR treatment; they survived using a parallel pathway. |
| What you say in the first minute after a vaccine can be key in reducing a child's distress Posted: 13 Jul 2021 11:58 AM PDT New pain research finds what you say in the first minute after a vaccine can be key in reducing a child's distress. |
| Mosquito-resistant clothing prevents bites in trials Posted: 13 Jul 2021 11:58 AM PDT Researchers have created insecticide-free, mosquito-resistant clothing using textile materials they confirmed to be bite-proof in experiments with live mosquitoes. |
| COVID-causing coronavirus following predictable mutational footsteps Posted: 13 Jul 2021 11:57 AM PDT New research has shown that the mutations arising in the COVID-19-causing SARS-CoV-2 virus seem to run in the family -- or at least the genus of coronaviruses most dangerous to humans. After comparing the early evolution of SARS-CoV-2 against that of its closest relatives, the betacoronaviruses, researchers found that SARS-CoV-2 mutations are occurring in essentially the same locations, both genetically and structurally. |
| Electric signals between individual cardiac cells regulate heartbeat Posted: 13 Jul 2021 09:03 AM PDT Researchers provide an update on how electrical impulses in the heart travel from cell to cell. The connections between cells forming the low resistance pathway and facilitating the current flow are called gap junctions. Each consists of many channels, which are formed when specific proteins from one cell dock and fuse to the proteins from another cell. The scientists delve into the properties of gap junctions and their constituent proteins. |
| Recent study identifies 11 candidate genetic variants for Alzheimer's disease Posted: 13 Jul 2021 08:08 AM PDT A recently published study identifies 11 rare candidate variants for Alzheimer's disease. Researchers found 19 different families in Utah that suffered from Alzheimer's disease more frequently than what is considered normal. |
| Mechanical stimuli significantly influence organ growth Posted: 13 Jul 2021 08:08 AM PDT In addition to chemical factors, mechanical influences play an important role in the natural growth of human organs such as kidneys, lungs and mammary glands - but also in the development of tumors. Now a research team has investigated the process in detail using organoids, three-dimensional model systems of such organs which are produced in the laboratory. |
| Simulating microswimmers in nematic fluids Posted: 13 Jul 2021 08:08 AM PDT New research shows how control over self-propelled microswimmers could be achieved using exotic materials named 'nematic liquid crystals' - whose viscosity and elasticity can vary depending on the direction of an applied force. |
| Reducing data-transfer error in radiation therapy Posted: 13 Jul 2021 08:08 AM PDT As the complexity of radiation therapy has grown, so too has the amount of data that goes into treatment machines. With more data comes more opportunity for errors in data transfer. A medical physics researcher is working to make those errors less likely. |
| The rat's whiskers: Multidisciplinary research reveals how we sense texture Posted: 13 Jul 2021 08:08 AM PDT Two very different teams of scientists have worked together to reveal important insights into how we sense texture by looking at the whiskers of a rat. |
| Combining plant-based diet and healthy microbiome may protect against multiple sclerosis Posted: 13 Jul 2021 08:08 AM PDT A new study shows that a diet rich in isoflavone, a phytoestrogen or plant-based compound that resembles estrogen, protects against multiple sclerosis-like symptoms in a mouse model of the disease. Importantly, the isoflavone diet was only protective when the mice had gut microbes capable of breaking down the isoflavones. |
| 'Hydrogel-based flexible brain-machine interface' Posted: 13 Jul 2021 06:36 AM PDT A research team revealed a newly developed hydrogel-based flexible brain-machine interface. |
| Revealing the mystery behind the threat of non-alcoholic liver disease Posted: 13 Jul 2021 06:36 AM PDT Researchers revealed how non-alcoholic fatty liver disease can develop into a life-threatening complication. Their discovery will accelerate the search for therapeutic solutions. |
| More complex than we thought: The body's reaction to contact allergens Posted: 13 Jul 2021 06:01 AM PDT Many people react to contact allergens, but some patients develop rashes and itching much faster than others. Previously the scientists were unable to explain why, but now researchers have outlined an entire new subgroup of allergic reactions which explains these early skin reactions. The new knowledge is vital to understanding the disease mechanisms in contact allergy. |
| A new approach to metastatic melanoma discovered Posted: 13 Jul 2021 06:01 AM PDT Combining chemotherapy with a BRAF oncogene inhibitor proves effective at treating this disease in a mouse model. This alternative paves the way toward a new approach for patients affected by this type of tumor, which has no cure in the most advanced stages or cases of relapse. |
| Childhood lead exposure may adversely affect adults' personalities Posted: 12 Jul 2021 12:19 PM PDT A study sampled more than 1.5 million people in 269 U.S. counties and 37 European nations. Researchers found that those who grew up in areas with higher levels of atmospheric lead had less adaptive personalities in adulthood -- lower levels of conscientiousness and agreeableness and higher levels of neuroticism. |
| Progress towards new treatments for tuberculosis Posted: 12 Jul 2021 09:21 AM PDT A new study has uncovered how cells infected with tuberculosis bacteria can die, and that using new medicines to enhance particular forms of cell death decreased the severity of the disease in a preclinical model. |
| Protein appears to prevent tumor cells from spreading via blood vessels Posted: 12 Jul 2021 06:22 AM PDT Researchers have identified a specialized protein that appears to help prevent tumor cells from entering the bloodstream and spreading to other parts of the body. |
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