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ScienceDaily: Top Health News |
| Having a strong life purpose eases loneliness of COVID-19 isolation, study finds Posted: 16 Jun 2021 12:42 PM PDT Why can some people weather the stress of social isolation better than others, and what implications does this have for their health? New research found that people who felt a strong sense of purpose in life were less lonely during the COVID-19 pandemic. |
| Bats in Switzerland harbor diverse viruses, some potentially zoonotic Posted: 16 Jun 2021 12:42 PM PDT An analysis of 18 species of stationary and migratory bats living in Switzerland has discovered that they harbor viruses from 39 different viral families -- including some viruses with the potential risk of jumping to other animals, including humans, and causing disease. |
| A quarter of adults don't want children -- and they're still happy Posted: 16 Jun 2021 11:32 AM PDT Is parenting life's greatest joy? New research from psychologists examines life satisfaction of adults who don't want children, revealing no differences compared to adults who are parents. |
| Genetically engineered nanoparticle delivers dexamethasone directly to inflamed lungs Posted: 16 Jun 2021 11:32 AM PDT Nanoengineers have developed immune cell-mimicking nanoparticles that target inflammation in the lungs and deliver drugs directly where they're needed. As a proof of concept, the researchers filled the nanoparticles with the drug dexamethasone and administered them to mice with inflamed lung tissue. Inflammation was completely treated in mice given the nanoparticles, at a drug concentration where standard delivery methods did not have any efficacy. |
| Computers predict people's tastes in art Posted: 16 Jun 2021 11:32 AM PDT A new study showing that computers can predict what paintings people will like offers insight into how our brains make aesthetic judgments. |
| Several persistent chemicals found in fetal organs Posted: 16 Jun 2021 11:32 AM PDT Researchers found industrial chemicals in the organs of fetuses conceived decades after many countries had banned the substances. The researchers urge decision makers to consider the combined impact of the mix of chemicals that accumulate in people and nature. |
| Pursuing safer, cheaper pharmaceuticals via electromagnetic control at the atomic level Posted: 16 Jun 2021 11:32 AM PDT Commonplace pharmaceuticals can carry with them an inherent flaw in their atomic structure, which pairs the active, beneficial ingredient with a potentially ineffective -- or even toxic -- counterpart. New research could hold the key to more easily isolating the good while removing the unwanted. |
| Machine learning can now reduce worry about nanoparticles in food Posted: 16 Jun 2021 11:31 AM PDT While crop yield has achieved a substantial boost from nanotechnology in recent years, the alarms over the health risks posed by nanoparticles within fresh produce and grains have also increased. In particular, nanoparticles entering the soil through irrigation, fertilizers and other sources have raised concerns about whether plants absorb these minute particles enough to cause toxicity. |
| 'Wonder material' can be used to detect COVID-19 quickly, accurately Posted: 16 Jun 2021 11:31 AM PDT Researchers have successfully used graphene -- one of the strongest, thinnest known materials -- to detect the SARS-CoV-2 virus in laboratory experiments. |
| Omega-3s may hold key to unlocking blood-brain barrier Posted: 16 Jun 2021 11:31 AM PDT A molecule that shuttles omega-3 fatty acids into the brain may open a doorway for delivering neurological therapeutics to the brain. |
| Graphene 'camera' captures real-time electrical activity of beating heart Posted: 16 Jun 2021 11:31 AM PDT Scientists today track electrical signals and voltage changes in neurons and muscle cells by labeling individual cells or probing with electrodes. Scientists have now developed a new type of sensor that employs a sheet of graphene to get a continuous measure of electric field in these tissues. Electric fields change graphene's reflectance. The physicists found a way to amplify and measure the changes caused by action potentials in a beating embryonic chicken heart. |
| Scientists demonstrate promising new approach for treating cystic fibrosis Posted: 16 Jun 2021 09:15 AM PDT A new CF treatment strategy involves small, nucleic acid molecules called oligonucleotides that can correct some of the gene defects that underlie CF but are not addressed by existing modulator therapies. The researchers used a new delivery method that overcomes traditional obstacles of getting oligonucleotides into lung cells. |
| Developing countries pay steep economic and health costs because of high car air pollution Posted: 16 Jun 2021 08:38 AM PDT Some of the world's most vulnerable cities suffer disproportionate economic losses because of the health consequences of in-car air pollution, finds a new study. |
| Contraception data 'blind spot' could hide pandemic impact on women's reproductive health Posted: 16 Jun 2021 08:38 AM PDT Limited data on the uptake of contraception prior to and during crises such as the COVID-19 pandemic could mean unforeseen issues for sexual and reproductive health services, new research concludes. |
| Human infant brains, bodies are active during new sleep stage Posted: 16 Jun 2021 08:38 AM PDT A team has found that babies twitch during a sleep stage called quiet sleep, not just during REM sleep. The results may show there's more communication between snoozing infants' brains and motor systems than previously known. |
| Link found between gut microbes and stroke Posted: 16 Jun 2021 08:38 AM PDT New findings show that the gut microbiome impacts stroke severity and functional impairment following stroke. The results lay the groundwork for potential new interventions to help treat or prevent stroke. |
| Measuring the elimination of plastic particles from the body in mice Posted: 16 Jun 2021 08:38 AM PDT The accumulation of micro- and nanoplastics in the environment continues at an alarming rate. A radiolabeling technique made it possible to monitor the movement and accumulation of plastics in the mouse body, as well as their elimination from it. |
| How long-known genes continue to surprise researchers Posted: 16 Jun 2021 08:38 AM PDT Proteins are encoded by genes - however, this information is divided into small coding sections, which are only assembled during a process called splicing. Various combinations are possible, some of which are still unknown. |
| 'Overly stringent' criteria early in the pandemic led to missed diagnoses of COVID-19, study finds Posted: 16 Jun 2021 08:37 AM PDT New research has identified missed cases of SARS-CoV-2 by retrospective testing of throat swabs. |
| New research finds ways to improve accuracy of Lateral Flow Tests Posted: 16 Jun 2021 08:37 AM PDT Research has provided new understanding of how false-negative results in Lateral Flow Tests occur and provides opportunity for simple improvements to be made. |
| Idea of COVID-19 'immunity passports' decreases people's compliance with restrictions Posted: 16 Jun 2021 08:37 AM PDT Researchers have found that when people are presented with the idea of a COVID-19 'immunity passport,' they show less willingness to follow social distancing and face covering guidelines. |
| Convergent mechanism of aging discovered Posted: 16 Jun 2021 08:37 AM PDT Fundamental signaling pathway is crucial for longevity. |
| New study finds fresh evidence for our inevitable death Posted: 16 Jun 2021 06:41 AM PDT Philosophers, artists and scientists - and probably all the rest of us - have long obsessed over the key to human immortality. We all, no matter our income, culture or religion are bound to die. Even if we escape mortal diseases or accidents, we all face a deadly biological deterioration. While the debate of human longevity has divided the scientific community for centuries, a new study finds fresh evidence for our inevitable death. |
| Compounds derived from hops show promise as treatment for common liver disease Posted: 16 Jun 2021 06:41 AM PDT Research suggests a pair of compounds originating from hops can help thwart a dangerous buildup of fat in the liver known as hepatic steatosis. |
| Two COVID-19 vaccines show safety, strong immunity in infant model Posted: 16 Jun 2021 06:41 AM PDT Pre-clinical research offers evidence that vaccinating young children could help prevent the spread of COVID-19, limit disease severity, and achieve herd immunity. |
| That song is stuck in your head, but it's helping you to remember Posted: 16 Jun 2021 06:41 AM PDT New research suggests that remembering a song in your head is more than a passing nuisance -- it plays an important role in helping memories form, not only for the song, but also related life events. |
| Urbanization drives antibiotic resistance on microplastics in Chinese river Posted: 16 Jun 2021 06:40 AM PDT Microplastic pollution of waterways has become a huge concern, with the tiny pieces of plastic entering food webs and potentially having harmful effects on animals and people. In addition, microplastics can act as breeding grounds for antibiotic-resistant bacteria. Now, researchers have analyzed antibiotic-resistance genes (ARGs) on five types of microplastics at different locations along the Beilun River in China, finding much higher abundances in urban than rural regions. |
| Posted: 15 Jun 2021 10:23 AM PDT Hippopotamus aren't the first thing that come to mind when considering epidemiology and disease ecology. And yet these amphibious megafauna offered ecologists a window into the progression of an anthrax outbreak that struck Ruaha National Park, Tanzania, in the dry season of 2017. |
| Brain cell membranes' lipids may play big role in Alzheimer's progression Posted: 15 Jun 2021 10:22 AM PDT Links between lipid imbalance and disease have been established, in which lipid changes increase the formation of amyloid plaques, a hallmark of Alzheimer's disease. This imbalance inspired researchers to explore the role of lipids comprising the cellular membranes of brain cells. In Biointerphases, the researchers report on the significant role lipids may play in regulating C99, a protein within the amyloid pathway, and disease progression. |
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