Health & Fitness

To develop effective therapeutics against pathogens, scientists need to first uncover how they attack host cells. An efficient way to conduct these investigations on an extensive scale is through high-speed screening tests called assays.

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A music educator thought that if he could just control his study for the myriad factors that might have influenced previous ones - race, income, education, etc. -- he could disprove the notion of a link between students' musical and mathematical achievement. Nope. His new study showed statistically significant associations between the two at both the individual and the school-district levels.

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Researchers report that low-income Black households experienced greater job loss, more food and medicine insecurity, and higher indebtedness in the early months of COVID-19 compared to white or Latinx low-income households.

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Nutritional biochemist Dr Libby Weaver explains why the answer to beating stress once and for all is actually pretty simple. 

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A new study found that Medicare beneficiaries who go on to be diagnosed with dementia are more likely to miss payments on bills as early as six years before a clinical diagnosis.

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Taking a major step forward in HIV research, scientists have successfully edited SIV - a virus closely related to HIV, the cause of AIDS - from the genomes of non-human primates.

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Researchers discovered that the makeup of a person's gut microbiome is linked to their levels of active vitamin D, and revealed a new understanding of vitamin D and how it's typically measured.

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Researchers are exploring technology for those wanting a quieter life!

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Decreases in hospital attendances and admissions amid fears of COVID-19 may result in avoidable harm for under 16s, say researchers. Following lockdown, they found 'a striking decrease' in the number of children and young people attending the Paediatric Emergency Department at Yale New Haven Children's Hospital in the US and the Royal Manchester Children's Hospital in the UK. The researchers said: ''Children and adolescents presenting later on in their illness are more likely to have a negative outcome.''

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An urgent rethink of infection control policies to keep COVID-19 infection at bay in schools is needed if primary schools are to be kept open this winter, and the knock-on effects on their families avoided, argue children's infectious disease specialists in a new article.

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Combining chimeric antigen receptor (CAR) T cell therapy with a PAK4 inhibitor drug allowed the engineered cells to punch their way through and attack solid tumors, leading to significantly enhanced survival in mice.

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A new study has found that among older Americans with cognitive impairment, the greater the air pollution in their neighborhood, the higher the likelihood of amyloid plaques - a hallmark of Alzheimer's disease. The study adds to a body of evidence indicating that pollution from cars, factories, power plants and forest fires joins established dementia risk factors like smoking and diabetes.

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Researchers have found a new neural pathway that links the circadian clock, stress, and wakefulness in mammals. They identified a neuron that becomes excessively active when the mammal is under stress, which could trigger insomnia and other sleep disorders.

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Researchers used a cocktail of antibiotics to deplete gut microbes in mice. They found that metabolites in the gut differed in these mice compared with controls. In particular, metabolic pathways involved in making important neurotransmitters like serotonin were affected. Additionally, these mice showed abnormal day-night distribution in sleep/wake patterns, particularly the amount of REM sleep, and frequent transitions between REM and non-REM sleep episodes.

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General smartphone usage is a poor predictor of anxiety, depression or stress say researchers, who advise caution when it comes to digital detoxes. Researchers measured the time spent on smartphones by 199 iPhone users and 46 Android users for one week. Surprisingly, the amount of time spent on the smartphone was not related to poor mental health. Instead, the study found that mental health was associated with concerns and worries about their own smartphone usage.

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More than one-third of kids who have COVID-19 aren't showing symptoms, according to a new study that suggests youngsters diagnosed with the disease may represent just a fraction of those infected.

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Via circuit tracing and behavioral manipulation using optogenetics, a new study shows that a region of the prefrontal cortex connects to the superior colliculus to override the SC's reflexive action when executive control is necessary.

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Research is paving the way for a new solution to kill aerosolized COVID-19 in enclosed environments such as hospitals and long-term care facilities. Computational modelling has shown that low dose far-ultraviolet C (UVC) lighting can be used to disinfect in-room air, increasing disinfection rates by 50-85 percent compared to a room's ventilation alone.

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Construction workers in Alberta, Canada who work with hazardous insulation materials are much more likely to be affected by repeated chest infections and chronic obstructive pulmonary disease (COPD), according to new research.

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Scientists have developed a new biomaterial that helps bones heal faster by enhancing adults' stem cell regenerative ability.

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Antibiotics have revolutionized medicine by providing effective treatments for infectious diseases such as cholera. But the pathogens that cause disease are increasingly developing resistance to the antibiotics that are most commonly used. Scientists have discovered a molecule that influences the antibiotic-resistance of cholera bacteria.

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Research findings provide insight into the complex mechanism of cellular senescence and present a potential therapeutic strategy for reducing age-related diseases associated with the accumulation of senescent cells.

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More COVID-19 studies should be devoted to how immunity emerges to SARS-CoV-2 in the mucous membranes of the nose and mouth, a new paper argues.

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Researchers have developed a new method for detecting bacteria and infections. They use fluorescent nanosensors to track down pathogens faster and more easily than with established methods.

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