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ScienceDaily: Top Health News |
| Do some diabetes drugs reduce the risk of Alzheimer’s? Posted: 11 Aug 2021 02:52 PM PDT People taking certain drugs to lower blood sugar for type 2 diabetes had less amyloid in the brain, a biomarker of Alzheimer's disease, when compared to both people with type 2 diabetes not taking the drugs and people without diabetes. The new study also found people taking these drugs, called dipeptidyl peptidase-4 inhibitors, showed slower cognitive decline than people in the other two groups. |
| Monoclonal antibody may prevent malaria Posted: 11 Aug 2021 02:52 PM PDT One dose of a new monoclonal antibody prevented malaria for up to nine months in people who were exposed to the malaria parasite. The small, carefully monitored clinical trial is the first to demonstrate that a monoclonal antibody can prevent malaria in people. |
| Posted: 11 Aug 2021 02:52 PM PDT Scientists have conducted a first-in-the-world randomized placebo-controlled trial of third dose COVID-19 booster vaccine for transplant patients that shows substantially improved protection. |
| People with stroke who walk 30 minutes per day may have 54% lower risk of early death Posted: 11 Aug 2021 02:51 PM PDT A new study shows that people who walk or garden at least three to four hours per week, or bike at least two to three hours per week, or the equivalent after having a stroke may have a 54% lower risk of early death from any cause. The study found the most benefit for younger stroke survivors. When people under the age of 75 exercised at least that amount, their risk of early death was reduced by 80%. |
| Posted: 11 Aug 2021 01:29 PM PDT In an effort to better characterize -- and quantify -- sensorimotor abilities and their impact on the development of people with ASD, scientists have published research that compared the fine motor control and eye movements of more than 200 people from age 5 to 29. The study showed key differences in the ways that individuals with ASD processed or reacted to stimuli compared to those who were more neurotypical, with implications for future research across age range, intelligence and setting. |
| Treating the ‘root’ cause of baldness with a dissolvable microneedle patch Posted: 11 Aug 2021 01:28 PM PDT Although some people say that baldness is the 'new sexy,' for those losing their hair, it can be distressing. An array of over-the-counter remedies are available, but most of them don't focus on the primary causes: oxidative stress and insufficient circulation. Now, researchers have designed a preliminary microneedle patch containing cerium nanoparticles to combat both problems, regrowing hair in a mouse model faster than a leading treatment. |
| Understanding lung damage in patients with COVID-19 Posted: 11 Aug 2021 01:28 PM PDT A severe course of COVID-19 disease is not caused by the direct destruction of the lung due to the multiplication of the virus. New research shows that inflammatory processes and the endothelium of the lung are involved. |
| Food scientists create national atlas for deadly listeria Posted: 11 Aug 2021 01:28 PM PDT Among the deadliest of foodborne pathogens, Listeria monocytogenes soon may become easier to track down in food recalls and other investigations, thanks to a new genomic and geological mapping tool created by food scientists. |
| Assigned classroom seats can promote friendships between dissimilar students, study finds Posted: 11 Aug 2021 01:28 PM PDT A study conducted in Hungarian schools showed that seating students next to each other boosted their tendency to become friends -- both for pairs of similar students and pairs of students who differed in their educational achievement, gender, or ethnicity. |
| Belief in social Darwinism linked to dysfunctional psychological characteristics, study finds Posted: 11 Aug 2021 01:28 PM PDT A new survey study links belief in the concept of social Darwinism with certain dysfunctional psychological characteristics, such as exploitative attitudes towards others, hostility, and low self-esteem. |
| Most of UC San Diego's COVID-19 cases detected early by wastewater screening Posted: 11 Aug 2021 10:15 AM PDT Part of UC San Diego's Return to Learn program, wastewater screening helped prevent outbreaks by detecting 85 percent of cases early, allowing for timely testing, contact tracing and isolation. |
| Getting oxygenated blood to exercising muscles Posted: 11 Aug 2021 10:15 AM PDT Researchers have discovered a certain type of blood vessel cell in muscles that multiplies rapidly upon exercise, thereby forming new blood vessels. Researchers can use this to find novel therapies for vascular disorders of the muscle. |
| Dendrimers: The tiny tentacles shown to evade our immune response Posted: 11 Aug 2021 10:15 AM PDT New research demonstrates that dendrimers, tiny synthetic particles, can avoid detection by our immune system and could be used to develop a new system to deliver drugs into the body without triggering a reaction. |
| Posted: 11 Aug 2021 10:15 AM PDT A new study has revealed that severe acute respiratory syndrome coronavirus (SARS-CoV-2) particles can be aerosolized by an infected person during talking and singing. Researchers concluded that fine respiratory aerosols may play a significant role in SARS-CoV-2 transmission, especially in an indoor environment, and hence, should be taken into consideration when planning infection prevention measures. |
| Posted: 11 Aug 2021 10:15 AM PDT A recent study shows the association between bank vole abundance variations and the incidence of Lyme Borreliosis and Puumala hantavirus infections. The study showed that the abundance variations of the reservoir hosts of wildlife originated pathogens have importance in estimating the risks these pathogens pose to humans. The results of the work can be taken into account in the risk communication by health authorities. |
| Problems in thinking and attention linked to COVID-19 infection Posted: 11 Aug 2021 10:15 AM PDT Evidence of cognitive deficits in people who have recovered from COVID-19 has been discovered in a new study of over 80,000 individuals. |
| A COVID-19 vaccine strategy to give the body ‘border protection’ Posted: 11 Aug 2021 10:15 AM PDT A simple addition to injected COVID-19 vaccines could enhance their effectiveness and provide 'border protection' immunity in areas like the nose and mouth to supplement antibodies in the bloodstream, new research suggests. |
| Tiny bubbles: Treating asthma with gene silencing nanocapsules Posted: 11 Aug 2021 10:14 AM PDT Researchers are developing novel asthma therapeutics using gene-silencing nanocapsules in a bid to help patients who aren't benefiting from existing treatments. |
| Brain signals that help memories form may influence blood sugar Posted: 11 Aug 2021 10:14 AM PDT A set of brain signals known to help memories form may also influence blood sugar levels, finds a new study in rats. |
| New findings on how ketamine prevents depression Posted: 11 Aug 2021 06:16 AM PDT The discovery that the anaesthetic ketamine can help people with severe depression has raised hopes of finding new treatment options for the disease. Researchers have now identified novel mechanistic insights how the drug exerts its antidepressant effect. |
| Global eradication of COVID-19 should not be dismissed, new analysis finds Posted: 11 Aug 2021 06:15 AM PDT Eradicating COVID-19 across the globe is theoretically more feasible than for polio but much less so than it was for smallpox, according to an analysis by New Zealand researchers. |
| A novel virtual reality technology to make MRI a new experience Posted: 11 Aug 2021 06:15 AM PDT Researchers have created a novel interactive VR system to be used by patients when undertaking an MRI. |
| Shared antibodies may push COVID-19 variants, study finds Posted: 10 Aug 2021 11:31 AM PDT Researchers have found that people recovering from COVID-19 and those vaccinated against the causative virus, SARS-CoV-2, produce identical clones, or groups, of antibody-producing white blood cells. |
| Neutralizing the SARS-CoV-2 sugar coat Posted: 10 Aug 2021 11:31 AM PDT Researchers have identified two sugar-binding proteins that impede the viral entry of circulating SARS-CoV-2 variants. The team may have found the 'Achilles' heel' of the virus, with potential for pan-variant therapeutic interventions. |
| Mutation-mapping tool could yield stronger COVID boosters, universal vaccines Posted: 10 Aug 2021 10:08 AM PDT Researchers have developed a platform which can quickly identify common mutations on the SARS-CoV-2 virus that allow it to escape antibodies and infect cells, which could inform the development of more effective booster vaccines and tailored antibody treatments for patients with COVID-19. |
| Posted: 10 Aug 2021 09:10 AM PDT Scientists have confirmed that an autumn 'booster' dose of a COVID-19 vaccine will be an effective way to protect people from existing, and potentially future, variants of concern. |
| Common environmental pollutants damage mucus structure, function Posted: 10 Aug 2021 08:09 AM PDT Researchers review recent scientific literature about the effects of particle contaminants on the mucosal system, an internal membrane that serves as the body's lubricant and the first line of defense from infections and toxins. These data establish a clear link between exposure to airborne or waterborne particulate matter and several health conditions. |
| Computational evaluation of drug delivery reveals room for inhalers improvement Posted: 10 Aug 2021 08:09 AM PDT Increased air pollution in recent years has exacerbated health risks for people who suffer from pulmonary diseases and these dynamics underscore the importance of increasing the efficacy of drug delivery devices that administer active pharmaceutical ingredients to treat respiratory illnesses. Researchers describe developing a computational evaluation of drug delivery through both pressurized metered-dose inhalers and dry powder inhalers to determine how the process can be improved. |
| Examining correlation between occupational noise, heart disease Posted: 10 Aug 2021 08:09 AM PDT Hearing conservation programs and policies aim to protect workers from noise-induced hearing loss, but it remains unclear whether stress reactions caused by noise exposure might also lead to other negative health outcomes. Researchers now describe how data from the Canadian Health Measures Survey do not support an association between loud noise exposure and changes in biomarkers for cardiovascular disease or outcomes. |
| What a song reveals about vocal imitation deficits for autistic individuals Posted: 09 Aug 2021 02:08 PM PDT A new paper comparing the ability to match pitch and duration in speech and song is providing valuable insight into vocal imitation deficits for children and adults with autism spectrum disorder. |
| COVID-19 during pregnancy associated with preterm birth, study finds Posted: 09 Aug 2021 02:07 PM PDT Individuals who contract COVID-19 while pregnant face a higher risk of having a very preterm birth, as well as any preterm birth, according to a large study. |
| Fight-or-flight response is altered in healthy young people who had COVID-19 Posted: 09 Aug 2021 11:41 AM PDT New research has found that otherwise healthy young people diagnosed with COVID-19, regardless of their symptom severity, have problems with their nervous system when compared with healthy control subjects. |
| Intranasal vaccine offers promise to block COVID-19 where it starts Posted: 09 Aug 2021 09:21 AM PDT Research to create a COVID-19 vaccine which can be administered through the nose has taken a significant step forward. The pre-clinical animal trials of the intranasal vaccine showed a reduction in both the impact of the disease itself and transmission of the virus. |
| Crowding in prisons increases inmates' risk for COVID-19 infections, study finds Posted: 09 Aug 2021 08:28 AM PDT Earlier research indicated that prison inmates have a significantly higher risk for COVID-19 infections compared to the general population. A new study offers powerful evidence that facility crowding is a major driver of this increased risk. Policy changes aimed at reducing prison populations could minimize this threat. |
| Youth, the pandemic and a global mental health crisis Posted: 09 Aug 2021 08:28 AM PDT An alarming percentage of children and adolescents are experiencing a global-wide mental crisis due to the COVID-19 pandemic according to a new study. |
| Vaping just once raises oxidative stress levels in nonsmokers, increasing disease risk, study finds Posted: 09 Aug 2021 08:28 AM PDT The risk that both tobacco and electronic cigarettes can pose to regular smokers' health has been well documented, but a new study illustrates just how quickly vaping can affect the cells of even healthy younger nonsmokers. |
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