by Elana Gotkine Overall, 14.6 percent of African Americans aged 40 years and older have uncorrected refractive error (UCRE), according to a study published online Feb. 22 in JAMA Ophthalmology. Nathan Dhablania, from the Southern California Eye Institute in Los Angeles, and colleagues conducted a cross-sectional study to examine the burden of and risk factors...
Tag: <span>study</span>
A calming neurotransmitter can also be excitatory, study finds
by Olivia Dimmer, Northwestern University KCC2 mRNA is robustly expressed in SPNs, but not NKCC1. Credit: PLOS Biology (2024). DOI: 10.1371/journal.pbio.3002483A neurotransmitter previously thought only to calm neurons may also play a role in waking them up, according to a study published in the journal PLOS Biology, a discovery which challenges the textbook view of how...
Study finds mild COVID-19 infections make insomnia more likely, especially in people with anxiety or depression
by Frontiers Credit: Unsplash/CC0 Public DomainAlthough most patients diagnosed with COVID-19 will quickly recover, some people experience symptoms that linger well after they start testing negative again—including insomnia. Scientists already knew that insomnia was common in patients who had to be hospitalized, but a team of scientists led by Dr. Huong T. X. Hoang of Phenikaa...
Stanford Medicine-led study shows why women are at greater risk of autoimmune disease
Research throws light on the mystery of why women are much more prone to autoimmune disorders: A molecule made by one X chromosome in every female cell can generate antibodies to a woman’s own tissues. By Bruce Goldman X chromosomes and autoimmunityIn every cell in a woman’s body, one X chromosome is disabled to ensure...
WHY MOST PEOPLE SHOULD AVOID DIETING
POSTED BY MATT SHIPMAN-NC STATE A new study highlights the negative consequences associated with “yo-yo dieting,” also known as weight cycling. The work underscores how toxic yo-yo dieting can be and how difficult it can be for people to break the cycle. “Yo-yo dieting—unintentionally gaining weight and dieting to lose weight only to gain it back...
Study finds tomato juice’s antimicrobial properties can kill Salmonella
by American Society for Microbiology Credit: Pixabay/CC0 Public DomainTomato juice can kill Salmonella Typhi and other bacteria that can harm people’s digestive and urinary tract health, according to research published in Microbiology Spectrum. S. Typhi is a deadly human-specific pathogen that causes typhoid fever. “Our main goal in this study was to find out if tomato...
Can ‘colored noise’ really improve our sleep?
by Béatrice St-Cyr-Leroux, University of Montreal Credit: Unsplash/CC0 Public DomainOne in four people suffer from some kind of sleep disorder—insomnia, sleep apnea, narcolepsy, hypersomnia, restless legs syndrome. And for a quarter of them, there is no effective, long-term solution. It is a public health issue. Poor sleepers are an attractive market for private industry, always on...
Study finds gut microbiota influence severity of respiratory viral infection
Peer-Reviewed Publication GEORGIA STATE UNIVERSITY THIS PICTURE ILLUSTRATES AN EXAMPLE OF GUT MICROBIOTA COMPOSITION DICTATING HOW RESIDENT LUNG ALVEOLAR MACROPHAGES (AM) RESPOND TO VIRAL INFECTION. THE PRESENCE OF SEGMENTED FILAMENTOUS BACTERIA, A COMMENSAL MICROBE PRESENT IN SOME MICE, REPROGRAMS AM GENE EXPRESSION, INCREASING COMPLEMENT EXPRESSION AND PHAGOCYTOSIS, THEREBY ENABLING AM TO ENGULF AND DESTROY VIRAL...
Nearly 65,000 pregnancies from rape have happened in states with abortion bans: Study
by Robin Foster In the 14 states with abortion bans, there have been nearly 65,000 pregnancies resulting from rape during the time since those bans went into place, a new study estimates. To arrive at that troubling number, researchers turned to data from federal surveys on crime and sexual violence. Their findings were published Jan....
Study finds novel macrolide–DEL-1 axis drives bone regeneration in aging individuals
by Niigata University Aging is associated with increased susceptibility to periodontitis due to the reduced expression of DEL-1. Credit: Niigata UniversityResearchers from Niigata University and a University of Pennsylvania team have identified a novel macrolide–DEL-1 axis that helps in bone regeneration and new bone formation. This finding may lead to the development of therapeutic agents to...