A new study published in Nature Metabolism found that daily fluctuations in the gut microbiome alter its composition significantly throughout the day. The researchers propose standardized guidelines for consistency in sample collection times and methodology to address the replicability crisis in microbiome research.
A study from UC San Diego found a 1250% surge in microdosing-related Google searches from 2015 to 2023, correlating with relaxed policies on cannabis and psychedelics. Microdosing involves taking 'sub-perceptual' doses of psychedelics for claimed health benefits, but its effectiveness lacks clinical evidence.
Researchers at the University of California - San Diego developed a soft, stretchy electrode that can simulate pressure or vibration sensations using electrical signals. The device overcomes existing pain-inducing issues with rigid metal electrodes by conforming to the skin, providing localized stimulation.
Deep-sea organisms have developed biophysical adaptations to survive harsh conditions, including unique lipid structures. Researchers found that ctenophores have exaggerated cone-shaped lipids that help them withstand intense pressure.
Engineers have developed a pill that releases microscopic robots to treat inflammatory bowel disease (IBD) in mice. The treatment significantly reduces IBD symptoms and promotes the healing of damaged colon tissue.
For the first time, researchers measured cold, deep water upwelling along a submarine canyon slope using fluorescent dye. The pace of upwelling was more than 10,000 times the global average rate predicted by Walter Munk in the 1960s.
Researchers have developed a novel drug therapy for obstructive sleep apnea (OSA), which has shown significant improvements in reducing breathing interruptions and improving overall health. The treatment targets both respiratory and metabolic complications, providing a promising alternative to existing therapies.
A study analyzing 5 million nights of sleep data identifies five main sleep types, with frequent changes between these types offering insights into chronic health conditions like diabetes and sleep apnea. Long-term tracking of sleep patterns may unlock new public health insights.
Researchers developed a new approach to understanding health by leveraging social media data, creating the largest cohort study in medical history. The study found that 27% of participants made an attempt to quit vaping during the study period, with a success rate of 26%, and identified key factors influencing cessation journeys.
A genome-wide association study found consistent positive genetic associations between coffee consumption and harmful health outcomes in two large datasets. However, the relationship with psychiatric conditions was more complicated, showing both positive and negative correlations across different cohorts. The study highlights the compl...
A new method in neuroimaging analysis allows researchers to predict cognition and behavioral variables using smaller datasets, contrary to the long-held belief that thousands of participants are needed. The technique involves examining MRI data to find associations with behaviors and then applying predictions to an independent sample.
Researchers found that toddlers with profound autism had larger embryonic brain cortical organoids (BCOs) compared to neurotypical controls. The BCO size was positively correlated with the child's later social symptoms, indicating that a larger brain may be the first sign of autism.
A study reveals an increasing polarization in climate change coverage between elite and heartland US news sources. National newspapers have expanded their climate desks and significantly increased their coverage, whereas smaller news sources based in the heartland have also increased their coverage but at a much slower rate.
Researchers have engineered nanosized cubes that spontaneously form a two-dimensional checkerboard pattern when dropped on the surface of water. The self-assembly process is driven by surface chemistry, with hydrophobic and hydrophilic molecules interacting to create voids between the cubes.
Researchers at UC San Diego School of Medicine are developing an AI model to predict opioid addiction in high-risk patients. The model uses generative artificial intelligence to analyze genomic, social determinants of health, clinical, procedural, and demographic data to identify patients at greatest risk.
Researchers developed microscopic robots that swim through lungs to deliver cancer-fighting medication directly to metastatic tumors. The approach inhibited tumor growth and spread, improving survival rates compared to control treatments.
The new technique allows for the creation of tiny replicas of the human brain so realistic that they rival fetal brain's neural network. Researchers can now study neurological disorders such as autism and schizophrenia in highly realistic brain cortical organoids.
Researchers developed HypOp, a framework using unsupervised learning and hypergraph neural networks to solve combinatorial optimization problems significantly faster. The framework can also tackle certain problems that prior methods cannot effectively solve.
The unregulated sale of Amanita muscaria mushrooms is a growing concern, as they contain compounds similar to fentanyl and can cause hallucinations. Without proper labeling and regulation, these products can put consumers at risk of serious health harm, including death.
Researchers analyzed NASA satellite images of Jupiter's cyclones and found that storms are fueled by processes similar to those on Earth. Fronts in the space between cyclones also contribute to energy transport, sustaining giant storms.
A team of researchers at University of California San Diego has identified a biochemical mechanism that can interrupt cellular communication chains, disrupting the signaling pathways related to many diseases. The discovery highlights the importance of growth factors and G protein-coupled receptors in cell signaling.
A team of researchers led by Nigel Goldenfeld and Björn Hof used statistical mechanics to study turbulence in fluid flows. They discovered that the transitions between laminar and turbulent flows occur through a non-equilibrium phase transition, known as directed percolation, at the critical point of the transition.
Scientists analyzed Martian meteorites to understand the planet's mantle and crust structure. The study found that these rocks are related through a process known as fractional crystallization within a volcano, revealing details about Mars' internal structure and volcanism.
A new method has been developed to control the movement of embryonic cells by manipulating short-time attractors, which can be used to create synthetic organs and aid regenerative medicine. By modulating the spatial distribution of myosin, researchers were able to direct cell accumulation to targeted areas of the embryo.
Researchers created a genetic atlas using Caenorhabditis elegans to understand embryonic development and its relation to human disorders. The study analyzed nearly 7,000 gene functions and identified new roles for poorly characterized genes.
Researchers found that middle fossa craniotomy significantly improved hearing preservation and quality of life for patients after removing an acoustic neuroma. The study showed excellent facial nerve outcomes in 94% of patients, while 68% preserved their hearing.
A new study found that nearly 3% of healthy adolescents aged 11-15 have used commercial CBD products for medicinal or health-related reasons. The study identified predictors of commercial CBD use, including older age, certain health conditions, and parental attitudes towards cannabis use.
Researchers developed a wearable ultrasound patch that provides three-dimensional data on cerebral blood flow, addressing clinical standard limitations. The device offers hands-free, continuous monitoring and was tested on healthy volunteers with accurate results, paving the way for potential use in patients with neurological conditions.
Insects like fruit flies use simple, efficient systems to recognize odors. Researchers found that paired olfactory receptor neurons in fly antennae facilitate computations in the central brain through pre-processing stage.
Researchers have developed a new gene-editing system called multiplexed orthogonal base editors (MOBEs) to tackle complex diseases. MOBEs enable simultaneous installation of multiple point mutations across the genome, reducing the risks associated with traditional gene-editing tools like CRISPR-Cas9.
Engineers at the University of California San Diego used a new technique called MUSIC to map out interactions between chromatin and RNA in individual brain cells. The study found that some brain cells age faster and are more prevalent in individuals with Alzheimer's disease, particularly in women.
A plant virus treatment, composed of cowpea mosaic virus nanoparticles, has shown remarkable success in improving survival rates and suppressing the growth of metastatic tumors across various cancer models. The treatment was effective even after surgical removal of tumors, indicating its potential to prevent metastasis.
Researchers found that a small number of biochemical pathways are responsible for the majority of metabolic changes in autism. These changes may be linked to the cell danger response and can be partially restored with existing pharmaceutical drugs.
A UC San Diego study found that people injecting drugs in San Diego and Tijuana often lacked access to drinking water, toilets, handwashing facilities, and showers. The study highlights the need for improved access to safe water, sanitation, and hygiene services in both cities to reduce health disparities.
A new COVID-related syndrome, MDA5-autoimmunity and Interstitial Pneumonitis Contemporaneous with COVID-19 (MIP-C), has been identified in patients with severe lung scarring and autoimmune diseases. The syndrome was discovered through a retrospective observational study by UC San Diego researchers and UK colleagues.
A new study reveals a common chromosomal microdeletion, 22q11.2del, as the first identified genetic variation contributing to spina bifida. The deletion is associated with a risk of spina bifida more than 10 times greater than the general public. Folic acid supplementation may also help reduce this risk and severity.
Researchers found that cells adapt by packing into unusual geometrical shapes, known as scutoids, in response to pressure changes. This discovery sheds light on how cells cope with physical environment changes and has potential implications for understanding healthy cell adaptation.
Scientists have discovered DDT-related chemicals in deep-sea fish near Catalina Island, raising concerns about the persistence of toxic pollution in marine ecosystems. The contaminants are settling on the seafloor, potentially harming wildlife and human health if ingested.
Researchers at UC San Diego developed a machine learning algorithm to simulate chemistry in drug discovery, synthesizing 32 potential multi-target cancer drugs. The new AI platform, POLYGON, can identify molecules with multiple targets, potentially delivering more effective treatments with fewer side effects.
Scientists identify crucial protein PicA in jumbo phages that selectively transport proteins to replicate inside bacteria. This discovery sheds light on the complex biological makeup and mechanisms within these mysterious viruses.
Researchers discovered a previously abandoned ancient village that surprisingly remained occupied and even thrived during the 8.2ka event, a period of global cooling and sea-level rise. The village's economy diversified from farming to include maritime culture and trade, allowing it to weather the climate instability.
Researchers at the University of California San Diego developed a biodegradable form of thermoplastic polyurethane (TPU) filled with bacterial spores from Bacillus subtilis. The material breaks down in compost environments within five months, even without additional microbes.
A study by UC San Diego researchers found that closing the US-Mexico border during COVID-19 increased HIV transmission due to continued drug tourism. The study analyzed data from participants who crossed the border, revealing nine new cases of HIV contraction primarily during the pandemic.
A San Diego study found that the proportion of people solely smoking opioids and methamphetamine increased from 0% to 34% between 2020 and 2023. The shift towards smoking may reduce health risks associated with injection, such as HIV and Hepatitis C.
Researchers developed a device with AI algorithms to analyze suckling strength and pattern in newborns. The system showed improved accuracy over subjective clinician assessments, identifying abnormal patterns that may indicate the need for surgical intervention or improved feeding practices.
Researchers found a three-component signaling pathway in hepatic stellate cells that leads to collagen production and liver fibrosis. A novel RNA-based treatment, ASO, was designed to block this pathway, preventing fibrosis without side effects.
A new study published in JAMA found X's Community Notes resulted in hundreds-of-millions of views of accurate and credible COVID-19 vaccine education, suggesting considerable potential for correcting misinformation. The notes typically addressed obvious misinformation, offering corrections from credible sources.
A flexible microdisplay device can track and display neural activity in the brain, allowing neurosurgeons to visualize critical cortical boundaries and guide surgical interventions. The device reduces the need for a buffer zone, enabling more precise removal of harmful tissue.
Researchers used state-of-the-art imaging techniques to discover the metabolism driving Alzheimer's disease, suggesting new treatment strategies. Lipid droplet metabolism can malfunction in Alzheimer's, leading to a cycle of stress and inflammation that worsens the disease.
New research found that cells form liquid droplets to sequester excess cAMP and PKA, tamping down non-specific signaling. This helps maintain cellular biochemical activities according to spatiotemporal regulation. The study aims to investigate the molecular mechanisms behind this process and design a therapeutic for rare liver cancer.