Scientists at Northwestern University have identified a novel target for depression treatment by manipulating HCN channels in the hippocampus. Reducing these channel's function has been shown to improve mood in mice, offering new hope for millions of patients who don't respond to existing treatments.
A study in Uganda found that increasing community medical male circumcision and antiretroviral therapy (ART) coverage was associated with reduced community HIV incidence. Median community HIV incidence declined from 1.25 to 0.84 per 100 person-years in males, and from 1.25 to 0.99 per 100 person-years in females.
Researchers have identified a potential target for treating insulin resistance by inhibiting the protein PKD1, which limits AMPK's activity. This discovery may lead to effective treatments for obese and diabetic individuals, including lifestyle interventions such as exercise and diet modifications.
A new concept in space telescope design proposes a modular structure and an assembly robot to build extremely large telescopes in space. The robotic system would enable tasks to be performed without astronaut fatigue.
A study found that Hispanic children who receive a hands-off approach to eating from their parents are more likely to snack excessively, consuming over 40% of daily added sugars from snacks. The study suggests this may be particularly concerning for overweight and obese children with greater appetitive drives.
The study reveals that the internal structure of gallium nitride-based HEMTs is responsible for their high radiation tolerance. A piezoelectric field formed at the interface causes carriers to be reinjected into the two-dimensional electron gas, reducing the impact of radiation-induced defects.
Tropical Depression 4 formed in the Eastern Pacific, strengthening into a tropical storm with maximum sustained winds near 40 mph. The storm is expected to track over cold water kicked up from Hurricanes Blas and Celia, affecting its strength.
A new study has found that intensive care units provide adequate communication and family support for families of chronically ill patients, rendering palliative care unnecessary. The study revealed no difference in patient outcomes when families received additional support from palliative care specialists versus standard ICU care.
A study by Lehigh University researcher Jayeon Lee found that major news organizations emphasize risks and challenges associated with employee social media use, often at the expense of opportunities and advantages. The analysis of guidelines from nine US and three British outlets reveals a predominance of prevention-focused approaches.
Patients undergoing bariatric surgery at accredited centers have lower risks of serious complications, including death, and experience lower hospital charges. The American College of Surgeons review study analyzed over 1 million patients and found significant benefits of accreditation.
A new group of cells has been discovered in the human colon that can wash away invading bacteria, potentially preventing inflammatory bowel disease. These sentinel cells detect bacteria and trigger a rapid chain reaction of mucus production to push out the invaders.
A new study from McMaster University found that lifting lighter weights many times can be as efficient as lifting heavy weights for fewer repetitions in building muscle and strength. Researchers analyzed muscle and blood samples and found gains in muscle mass and fibre size were virtually identical between the two groups.
A new education program has been shown to reduce the risk of type 2 diabetes in people at high risk by over 80%. The program, which includes a main session and follow-up sessions, resulted in an 88% risk reduction for those who attended fully.
Researchers have developed an inexpensive method to monitor CO2 storage deep underground. Testing water samples from rocks reveals altered oxygen compositions when in contact with trapped CO2, allowing simple measurement of stored CO2.
The European Menopause and Andropause Society publishes a new position statement on healthy menopause and aging. The model emphasizes a holistic approach to midlife women's physical, psychological, and social well-being. It recommends specialist teams and interdisciplinary networks for optimal care.
A new study from Tufts University researchers shows that the average weight of offensive linemen in Division III college football conferences has increased nearly 38 percent since 1956. The study highlights the need for post-football lifestyle changes to prevent long-term health complications and emphasizes the importance of helping at...
Researchers from seven European institutions and five US universities aim to understand the glass transition, a problem plaguing physics and chemistry for a long time. The collaboration hopes to find a unified understanding of the glassy state of matter and its properties.
New study reveals Arctic algae play a crucial role in the ocean's food web, with species at great depths relying on carbon from these algae. The decline of Arctic sea ice could have significant impacts on marine life, including fish, seals and polar bears.
A recent study found that El Niño climate patterns contributed to the Northeast Pacific's largest marine heatwave on record. The study also suggests that unusually warm water events could become more frequent with rising greenhouse gas levels, disrupting ecosystems and leading to massive die-offs.
Researchers found that middle-aged adults activated the medial prefrontal cortex instead of the visual cortex when recalling details, suggesting a change in what information they prioritize as they age. This shift may be beneficial for daily life tasks but could impact memory performance if not adapted to.
A new study reveals that artificial sweeteners can stimulate appetite by integrating sweetness with energy content in the brain, leading to increased food consumption. Researchers found that chronic exposure to sucralose increased the animal's motivation to eat more food, even when they had enough calories.
Researchers at Umeå University found that reactive oxygen species (ROS) can dampen inflammatory processes and weaken the immune system's ability to combat bacterial infections. This discovery challenges the long-held assumption that ROS always contribute to inflammation.
Researchers found that chronic high fat diet disturbs neural messages in rats by shifting gut bacteria populations. Manipulating the gut microbiome can reverse this effect, leading to less overeating and weight gain. Additionally, specific foods like blueberries may also target and improve the microbiota composition.
LobeFinder algorithm quantifies and analyzes shape changes in puzzle piece-shaped plant cells, providing insights into leaf size and crop yield. The technology could also be adapted to measure boundary shifts in other complex geometric forms.
A new variant of the emerging antibiotic resistance mechanism mcr-1 has been discovered on a multidrug-resistant strain of Klebsiella pneumoniae, which was isolated from a child hospitalized with leukemia. The newly identified gene, mcr-1.2, confers resistance to colistin, a last-resort antibiotic.
Researchers have found fecal transplants to be effective in treating certain infections and diseases, including C. difficile colitis with a 95% cure rate. The transplantation of stool from healthy individuals also shows promise in treating multiple sclerosis and Crohn's disease.
A new study by Michigan State University neuroscientist Alexander Johnson finds that obese mice are more likely to overeat in response to environmental cues due to altered brain responses. The study suggests a psychological and neurobiological account for why obese individuals may be vulnerable to food triggers.
Researchers discovered multiple assemblages of Homo erectus footprints in northern Kenya, preserving evidence of a modern human style of walking and group structure consistent with human-like social behaviours. The findings provide direct insight into the locomotor patterns and group dynamics of our fossil ancestors.
A new study found that the latest government guidelines for diabetes screening missed 55% of high-risk individuals with prediabetes or diabetes. Racial and ethnic minorities were disproportionately affected, with only 50% of African-American patients and 37% of Latino patients falling within the recommended age and weight ranges.
The European pet trade is putting rare reptile species at risk of extinction due to high demand and lack of effective regulation. Conservation efforts are being undermined by the lucrative black market for exotic animals, with smugglers using creative tactics to evade laws.
A new study of over 800 couples found that neither gay men nor heterosexual people with HIV transmitted the virus to their partners if on suppressive antiretroviral treatment. The PARTNER study, the world's largest of its kind, monitored couples for several years and recorded no instances of transmission.
Researchers at Australian National University have modeled energy consumption by wireless sensors and explored the use of ambient radio frequency sources for powering devices. The breakthrough aims to replace batteries with long-lasting monitoring devices in industries such as health, agriculture, and infrastructure.
Researchers found that Grindr's ad campaign effectively reached untested high-risk populations, increasing the distribution of HIV self-testing kits. The study showed that 74% of test recipients had last been tested for HIV over a year ago, highlighting the need for targeted testing initiatives.
Research suggests that increasing male circumcision rates and ART coverage significantly reduces new male HIV infections in rural Ugandan communities. Communities with higher circumcision coverage saw a 39% decline in new infections, while those with higher ART coverage among women saw a 23% reduction.
The UC Riverside School of Medicine has received a $2.3 million grant to integrate medical student education, resident training, and faculty development in primary care specialties. The goal is to address health disparities and improve healthcare delivery in low-income areas of inland Southern California.
Researchers found significant differences in hospital practices for treating children with asthma, including varied costs and resource use. The study's template matching tool enabled a more refined comparison of hospitals' resource use at the patient level.
The study found that freestanding EDs are concentrated in areas with higher incomes, private insurance rates, and hospital ED presence. This suggests that they may not be expanding access to underserved populations as initially thought.
The MI-LEND program aims to improve the health of infants, children and adolescents with disabilities by training individuals from diverse disciplines. The program will address the complex needs of those with autism and other disabilities by increasing graduate students prepared to address their needs.
A small rise in alcohol prices could significantly reduce violence-related injuries in England and Wales, with an estimated 6,000 fewer emergency care visits per year. The study suggests that reforming the current alcohol taxation system would be more effective at reducing violence than minimum unit pricing.
A study of nearly 1,166 HIV serodifferent couples found no documented cases of within-couple HIV transmission during a median follow-up of 1.3 years. The researchers suggest that with eligible couple-years accrued, appreciable levels of risk cannot be excluded, particularly for anal sex.
Researchers tested serum antibodies from Ebola survivors and found substantial cross-reactivity with other filoviruses, suggesting long-lived immunity. The study's results indicate that antibody responses extend beyond the primary virus, imparting at least partial immunity to other filoviral infections.
Researchers identified innovative strategies to overcome barriers to integrating mind-body medicine into primary care, including group patient visits and stress management conversations. The study aims to increase the integration of mindfulness, hypnosis, and biofeedback techniques into mainstream medical practice.
The study found that SAPIEN 3 TAVR resulted in an over 85% one-year survival rate for high-risk and inoperable patients, significantly higher than previous studies. Patients also experienced improved quality of life and no significant increase in moderate leaking around the prosthetic valve.
A study by Baylor University finds that successful dieters focus on adding healthy foods they enjoy, rather than restricting themselves from favorite treats. This approach helps individuals with high self-control achieve their health goals.
The FDA has approved the ExAblate focused-ultrasound device to treat essential tremor in patients who do not respond to medication. The procedure shows promise as a less invasive alternative to deep-brain stimulation, with significant reductions in tremor symptoms after three months and one year.
Researchers develop a novel approach to measure individual coating layers of automotive paints using time-of-flight measurements of ultrashort THz pulses. The algorithm-informed computer model resolves layer thicknesses below seven microns with high accuracy.
Researchers found that brain networks mediating comfort food-induced stress relief differ between males and females, with unique effects in the female brain across the hormonal cycle. Female rats experienced reduced stress hormone response to a sweet sugar drink only during the proestrus/estrus stage.
Scientists in France create a knuckleball machine to explore the zigzag secrets of one of football's most unpredictable shots, providing clues to much older scientific puzzles. The researchers discovered that unsteady lift forces and a specific velocity window contribute to the ball's erratic trajectory.
Researchers at Caltech use DNA origami to precisely place glowing molecules within microscopic light resonators, creating a microscopic reproductions of Vincent van Gogh's The Starry Night. By mapping out a checkerboard pattern of hot and cold spots, they can position fluorescent molecules to make lamps of varying intensity.
UMass Amherst researchers develop a new framework for managing control transfer between humans and autonomous systems, enabling safe semi-autonomous vehicles. The approach leverages human strengths while capitalizing on machine capabilities.
Exposure to social-based messages promoting healthy eating increases consumption of fruit and vegetables, while reducing high-calorie snack consumption. The researchers found that a 'liking social norm' message had a powerful effect on food choices.
A NYU Meyers study found that changes in the NCLEX-RN licensure examination and global economic crisis led to a significant drop in internationally educated nurses (IENs) in the US. IEN pass rates on the exam have steadily declined from an average of 58% in 2004 to 32% in 2015.
Researchers have discovered a new class of high thermal conductivity materials that can improve cooling for power electronics and other applications. The silicon dioxide nanoparticles, coated with ethylene glycol, can conduct heat at potentially higher efficiency than existing materials.
The Adaptive Management of Barriers in European Rivers (AMBER) project maps river barriers across Europe to restore dwindling freshwater species populations. Innovative research uses citizen science, remote sensing, and molecular methods to prioritize areas for conservation and optimize barrier management.
The WHO has developed an Emergency Medical Teams concept to provide surge support to national health systems in disaster situations. The United States has not adopted this concept, despite over 64 countries launching or developing teams.
Regine von Klitzing was awarded the 2016 EPJ E Pierre-Gilles de Gennes Lecture Prize for her significant work on polyelectrolyte assemblies and functionalized microgels. She is a full professor at Technische Universität Berlin, where she directs the Physicochemistry Laboratory.
Researchers at York University and CAMH discovered a new link between the OXTR gene and binge eating behaviors. The study found that specific genetic variations contribute to overeating habits, suggesting oxytocin plays a role in regulating behavior.
Michigan State University's DEPI technology allows for real-world condition testing, enabling scientists to make better plants and understand complex processes like photosynthesis. By monitoring hundreds of plants at once, researchers can study varying behaviors under dynamic environmental conditions.
A team of NASA scientists is developing a compact, low-cost telescope for CubeSats that will utilize a mirror made of carbon nanotubes in an epoxy resin. The technology aims to provide a sensitive instrument for quick exploratory missions or as part of a constellation of similar CubeSats.
The International Antiviral Society-USA panel recommends starting antiretroviral therapy in all individuals with detectable viremia, regardless of CD4 cell count. Recommended initial regimens include 2 NRTIs plus an InSTI for most patients.