A new UC San Diego study reveals that women are more vulnerable to dementia risk factors affecting cognition, with some risk factors having stronger impacts on women than men. The findings suggest a greater need for targeted interventions, such as managing depression and improving cardiovascular health.
A new study from UC San Diego suggests that advanced large language models (LLMs) can exhibit human-like tone, humor, and fallibility in conversations, making it increasingly difficult for humans to distinguish between them and actual humans. This has major implications for how we think of AI, as the Turing test is no longer just about...
A national study found a sharp increase in leucovorin prescriptions among children with autism following media coverage and White House promotion. Researchers urge caution due to limited large-scale evidence, highlighting the need for rigorous data to inform treatment decisions.
A new study from UC San Diego found that poorer sleep quality is associated with greater memory difficulties and more Alzheimer's-related brain changes in older women with a higher genetic risk. The study suggests that improving sleep could become a target for future Alzheimer's prevention strategies.
Researchers developed a new tool to track ancient climate from wetland sediments, revealing turbulent environmental past in the Mediterranean. People adapted creatively, developing new technologies and strategies, such as floodwater farming and herd animal management.
A new study shows that an AI-powered CPR coaching agent can significantly improve survival rates by providing more accurate and comprehensive instructions. ChatCPR scored 100% on guideline-based CPR checklists and outperformed human dispatchers in guiding bystander resuscitation, with a 36-point gap in advanced steps.
A multidisciplinary team of UC San Diego researchers has developed a simple technology called photoplethysmography (PPG) coupled with artificial intelligence (AI) that can detect peripheral artery disease (PAD) with high accuracy. The technique, which uses PPG recordings to measure blood volume changes in the toes, demonstrates strong ...
UC San Diego engineers developed a more efficient ground station system using multiple small antenna panels that can work together to handle increasing satellite traffic. This approach offers a cost-effective solution to the growing demand for satellite connectivity.
Researchers have developed a free, web-based platform, StructureMASST, to make public metabolomics data more accessible. The tool allows users to search for chemical structures across billions of chemical spectra, enabling discoveries of new metabolites and connections between molecules and diseases.
The UC San Diego team developed an open-source digital twin platform called Tiny-Twin, which enables fast and realistic testing of applications over wireless networks. The platform allows researchers to test complete applications, such as video streaming, without needing specialized hardware or proprietary data.
The University of California San Diego has been awarded a $5 million renewal for its Faculty Institutional Recruitment for Sustainable Transformation (FIRST) program. The program enabled the institution to hire 12 new faculty in life sciences disciplines across campus, who have collectively brought in $16 million in new research grants.
A new five-year study led by UC San Diego Health is seeking to improve sleep and reduce delirium among adults in the ICU through evidence-based strategies. The research team will investigate which sleep-promotion methods are most effective in this setting, engaging patients, families, and clinicians throughout the process.
A study by Marta Serra-Garcia examines how incentives in the online attention economy shape scientific communication, finding that attention-driven summaries are not more likely to be factually inaccurate but tend to include less information. The research reveals a trade-off between engaging content and conveying accurate details.
A recent NIH grant termination survey found that BIPOC and LGBTQ+ researchers faced higher odds of termination, with disparities extending beyond representation. The study highlights concerns about the long-term impacts on the US scientific workforce.
A recent study analyzing data from two California school surveys found that adolescents consistently perceive cannabis as the least harmful substance among their peers. The study, which examined responses from over 175,000 students, also identified age, experience, and social environment as factors influencing teens' perceptions of can...
A national survey found that millions of US adults have microdosed substances like cannabis, psilocybin, LSD, and MDMA, with cannabis being the most commonly microdosed. The study also revealed patterns tied to mental health and policy environments, suggesting that changes in drug policy may influence access to these substances.
A new study reveals that impaired protein recycling is the key factor in T cell exhaustion, allowing researchers to develop a 'tag and sort' fix to restore normal proteostasis. This approach boosts the potency of cell therapy against cancer.
Researchers used cryo-electron microscopy to visualize individual water molecules and metal ions within RNA polymerase II, revealing their active role in DNA transcription. The study provides a new understanding of how genetic information is read and expressed, challenging the traditional 'protein-centered' view.
The study demonstrates that the T1GRS tool can identify children and adults at high risk for Type 1 diabetes earlier than current methods, enabling preventive measures before the disease develops. The researchers grouped individuals into four sub-types based on genetic features, each with unique clinical profiles and outcomes.
Engineers developed an adhesive gel that can deliver substances into plants' tissues, clearing bacterial infections within 48 hours. The gel sticks to various surfaces, including hairy leaves and stems, and can be removed without damage.
The new robotic system combines artificial intelligence, data-driven alignment planning, patient-specific implants, navigation, and robotic screw delivery to enhance precision and coordination. This technology streamlines operating room workflows, reducing procedure time and supporting recovery for patients undergoing spine fusions.
The researchers will investigate novel therapies to protect the aging brain from neurodegenerative diseases by eliminating RNA pollution. They will map out signatures of RNA pollution across over 200 cell lines and patient biofluids to understand its effects.
A US study found that anti-vaping advertising and widespread news coverage of a lung-injury outbreak tied to vaping reversed the country's youth vaping trend in 2019. Quit attempt rates nearly doubled among current vapers, while susceptibility to future vaping dropped among teens who had never vaped.
A new conversational AI tool uses trusted medical protocols to provide guidance on symptom assessment and triage, reducing unnecessary hospital visits. The system has been tested across over 30,000 simulated conversations with high accuracy, making it a promising support tool for healthcare organizations.
A UC San Diego study found that diabetes is associated with changes in biological signals in the blood linked to Alzheimer's disease and brain damage in Latino adults. Researchers suggest that metabolic health may play a role in shaping future dementia risk.
A recent study estimates that 2.8% of US residents over 12 used psilocybin in the past year, highlighting the need for clinicians to be aware of its use among patients with depression. The findings also underscore the importance of longitudinal studies and increased public health surveillance as de-criminalization efforts progress.
A study by UC San Diego researchers identified CgA-centered stress-response pathways as key drivers of cognitive resilience in individuals with asymptomatic Alzheimer's disease. The findings also introduce a new framework to accelerate the discovery of preventive therapies for Alzheimer's disease.
Researchers have developed a new tool called Microbial Interaction and Niche Determination (MIND) that accurately predicts how microbes compete within complex communities. By analyzing nutrient preferences and energy allocation, MIND helps beneficial organisms outcompete dangerous pathogens. This approach has the potential to accelerat...
Teenagers who begin using cannabis show slower gains in thinking and memory skills as they grow. The study found that teens who used cannabis showed restricted growth over time compared to those who did not.
Neurobiologists have identified the brain circuitry responsible for placebo pain relief, revealing a site where endogenous opioid peptides drive pain relief. The study offers hope for using expectancy-driven placebo effects as a substitute for painkillers and developing protocols to produce placebo pain resilience in humans.
A new tool identifies mangrove patches facing the greatest risk of degradation, allowing for proactive conservation. The Mangrove Threat Index provides a science-based way to identify areas where pressures are accumulating and where timely intervention can prevent long-term ecological and social costs.
A new statewide survey found that economic instability is strongly associated with higher rates of violence among California adults. Adults experiencing homelessness were about five times more likely to report physical violence, while those facing food insecurity were about four times more likely. The study highlights the need for a pu...
A new method called GOFLOW uses deep learning to measure ocean surface currents over large areas with greater detail than ever before. The approach applies to thermal images from weather satellites, requiring no new hardware.
Researchers analyzed over 2.8 million students and found that local flavored tobacco bans reduced youth vaping rates without increasing cigarette smoking. Flavored tobacco bans were associated with sustained declines in youth vaping over time.
Engineers at UC San Diego developed a new chip design that combines piezoelectric resonators with capacitors for efficient voltage conversion, achieving peak efficiency of 96.2% and delivering four times more output current than earlier designs.
East Campus Medical Center has doubled its average daily census since 2024, with over 4,000 patients transferring to the hospital from other UC San Diego Health locations. The hospital now offers expanded services in cardiology, gastroenterology, and more, with a focus on continuity and relationship-based medicine.
A study by UC San Diego researchers reveals TYK2's role in preventing cancer spread and highlights need for enhanced screening in patients treated with TYK2 inhibitors. Understanding mechanotransduction can provide new avenues for treatment and improve breast cancer outcomes.
Dr. Emily Lukacz has been named the 2026 President of American Urogynecologic Society, a prestigious position that recognizes her innovative leadership in the complex field of urogynecology. As president, she aims to streamline treatment by educating primary care providers and allied health professionals.
Researchers found that honey bees change the precision of their waggle dance depending on the size and composition of their audience. The dancers adjust their movements to search for a receptive crowd, resulting in less precise signals when few bees are present.
A recent study on honey bees' waggle dance reveals that the dance's precision is influenced by audience size and composition. When there are more observers, dancers become less precise, suggesting that the performer adjusts its movements to engage with a larger crowd, ultimately conveying critical information about food sources.
A study by UC San Diego finds that California wildfire smoke events are becoming more frequent, with communities in Southern and Central California experiencing shorter recovery times between smoke events. These communities are also disproportionately vulnerable, with higher proportions of racial and socioeconomic minority residents.
A brain-inspired hardware platform has been developed to improve pattern recognition speed, accuracy, and energy efficiency. The platform combines memory and computation on the same chip, allowing nodes to interact collectively like neurons in the brain.
A protein receptor, PAR1, plays a critical role in maintaining blood vessel structure. The receptor can trigger protective responses to counteract inflammation, potentially leading to new treatments for conditions like sepsis, heart attack, and stroke
A novel blood-based biomarker, p-tau217, can predict a woman's risk of developing dementia up to 25 years before symptoms appear. Higher levels of p-tau217 were strongly associated with future mild cognitive impairment and dementia among older, cognitively healthy women.
Researchers developed Zephyrus, an AI agent capable of analyzing and answering questions in natural language about weather and climate data. The agent can handle language-based queries, translating them into code and generating plain language answers.
Researchers at the University of California San Diego identified new genetic variants associated with autism spectrum disorder using long-read whole genome sequencing. The approach enhanced the discovery of genetic variants, offering new insights into the genetic origins of autism.
A new UC San Diego study challenges the idea that pandemic viruses require rare adaptations in animals to infect humans. The research found that most zoonotic viruses, including COVID-19, do not show evidence of prior adaptation before emerging in humans.
A new study reveals Americans' doubts about driverless cars go beyond safety concerns, with many fearing mass job losses and widening income inequality. Over six in ten adults would probably or definitely avoid riding in a self-driving car.
Researchers at UC San Diego discover a new way to re-educate the immune system to attack ovarian cancer tumors by blocking protein FAK. The study offers hope for developing better treatments by turning the tumor environment from immune-suppressing to immune-activating.
A comprehensive review synthesizes the science behind vagus nerve modulation therapies, which use controlled signals to influence brain circuits and inflammation. The authors identify key mechanisms and propose next-generation treatments tailored to individual patients and conditions.