Researchers found that HIV-1 damages the gut's B-cell arm of the immune system just days after transmission, disrupting its ability to fight infections. This damage affects both reactive and non-reactive B cells, leading to a weak response against pathogens like influenza.
Research finds that long-distance travel significantly increases the risk of venous thromboembolism, prompting recommendations for low-cost interventions. Stepped-dosing of efavirenz also decreases incidence and severity of neuropsychiatric adverse events while maintaining efficacy.
A study of 2,746 women found a clear link between intimate partner abuse and poor physical and psychological health. Researchers are now calling for policy initiatives to tackle the issue in a holistic way.
A family history of depression, anxiety, or substance dependence is associated with the presence and progression of psychiatric disorders. The study found that family history was linked to worse impairment, greater service use, and a recurrent course for all four disorders.
A study published in the Journal of Evolutionary Biology found that parents who slack off compensate with increased effort from their partner, but this is not enough to fully offset parenting responsibilities. Researchers analyzed data on bird parenting behavior over three decades and found a common pattern among species.
A clinical trial shows that quadriplegics can operate a powered wheelchair using a tongue drive system, which detects movement of a magnetic tracer attached to the tongue. The system allows for intuitive control with minimal prior training, enabling users to play computer games and navigate obstacles with ease.
A team of researchers at the Savannah River National Laboratory has developed a novel closed cycle for producing aluminum hydride, a high capacity hydrogen storage material. The electrochemical method allows for the regeneration of the material, making it potentially cost-effective and efficient.
A new method developed by Princeton University scientists can divide carbon emissions responsibility among countries more fairly, targeting high polluters globally. The approach uses individual emissions to calculate a nation's responsibility to curb its output of carbon dioxide.
Researchers found that brain initially stores improvements in one pathway before transferring to motor pathway for long-term storage. Young zebra finches learn to sing by mimicking their fathers' song and eventually master the syllables and rhythms through repeated practice.
Researchers found that increasing Mdmx levels makes mice resistant to radiation but susceptible to oncogene-induced lymphomas. The study reveals the finely tuned balance between tumor suppressor p53 and its negative regulators.
Researchers used magnetic pulses to stimulate the dorsal premotor cortex, improving skill learning in volunteers. The study found that excitatory stimulation enhanced motor consolidation of new skills.
Researchers at Kansas State University are using an atomic force microscope to study proteins and molecules, which could lead to better diagnostic tools for diseases like cancer. By stretching and measuring tiny displacements in protein molecules, scientists hope to gain a deeper understanding of the causes of diseases.
Scientists at QIMR have discovered two genes that significantly increase the risk of developing melanoma in people with multiple moles. This groundbreaking research will help develop new screening techniques and potentially lead to new therapies for this deadly skin cancer.
A study by Columbia University's Mailman School of Public Health found that elderly women with localized breast cancer are less likely to receive chemotherapy, with only 15% receiving treatment. In contrast, younger women with nonmetastatic breast cancer received adjuvant chemotherapy at a rate of 70%.
A University of Toronto pilot study found that removing the standard hospital bed during labor reduced infusions of artificial oxytocin by 28% and allowed women to move freely, promoting feelings of calm and confidence. The ambient room design also led to greater one-on-one attention and support from nurses.
A nine-week online intervention based on cognitive behavioral therapy techniques significantly improved sleep quality and reduced insomnia severity in adults with chronic sleep difficulties. The study suggests that internet-based interventions could be a cost-effective and accessible treatment option for millions of people worldwide.
Researchers at Carnegie Mellon University have found that an individual's date and state of birth are sufficient to guess their nine-digit Social Security number with great accuracy. The study also highlights the risks of identity theft, which cost Americans almost $50 billion in 2007 alone.
Researchers at Stanford University School of Medicine have identified a wide range of antibodies in healthy people and Alzheimer's patients that target protein aggregates, including those found in plaques. These findings suggest that these antibodies may play a role in slowing or preventing the progression of Alzheimer's disease.
Researchers from Tel Aviv University have developed a novel way to predict the intensity of the next big flood using cell phone signals. By analyzing fluctuations in atmospheric moisture around cell phone towers, they can provide accurate 'critical moisture distribution' levels for fine-tuning model predictions of big floods.
The University of Colorado at Boulder is developing a new communications technology called Disruption Tolerant Networking (DTN) with NASA, which will extend Earth's Internet into outer space and across the solar system. The technology enables automated future communications capabilities for lunar habitation and surface exploration.
A new study found that women who deliver prematurely have higher levels of phthalates in their urine compared to those who carry to term. The researchers analyzed data from Mexican women and discovered a significant association between phthalate exposure and premature birth.
A new study published in CMAJ found significant muscle injury in patients taking statins, even in those without elevated creatine phosphokinase levels. Researchers suggest a subgroup of patients may be more susceptible to statin-associated myotoxicity and call for alternative treatment strategies.
Researchers identified CST5 as a candidate tumor suppressor gene induced by vitamin D3 in human colon cancer cells. The protein cystatin D inhibits cancer cell growth and is responsible for some of vitamin D3's anticancer effects.
Researchers engineered mice with a persistent wound-like skin condition to study tumor growth. The study found that chronic skin wounds promote skin tumors by secreting molecules that activate dermal cells and increase inflammation. Notch1 signaling plays a critical role in this process, suggesting potential complications for drug design.
Researchers found that a short Q뺪bout family history can predict a patient's approximate risks for developing depression, anxiety, or substance abuse disorders and their future illness severity. Family history is the quickest and cheapest way to sort out whether mental illnesses will run in families.
A CU-Boulder study found that chemicals released by the brain's immune system can cause chronic seizures in people who have suffered a traumatic head injury. The research suggests that temporarily shutting down the immune response could prevent the development of acquired epilepsy.
Researchers found that combining antidepressants with electroconvulsive therapy (ECT) improves depression symptoms more than using ECT alone, reducing memory problems, particularly when using nortriptyline or unilateral ECT on the right side of the brain.
Researchers found that patients with trichotillomania reported significantly reduced hair-pulling after taking the supplement for 12 weeks. Fifty people participated in a double-blind study, with 56% reporting improved symptoms.
Researchers have developed a new leukemia therapy targeting cancer stem cells that drive acute myeloid leukemia (AML) growth. The antibody therapy, which specifically targets the CD123 protein, has shown promising results in laboratory models and clinical trials.
The Mayo Clinic Cancer Center has received a $28 million National Cancer Institute (NCI) funding grant for five years. This award extends the center's designation as a comprehensive cancer center, enabling it to continue delivering outstanding care and research programs across its three US sites.
Despite significant research efforts, no effective way to prevent or treat delirium has been identified. The study found that only 13 randomized controlled studies on promising drugs were conducted from 1966 to 2008, and none of them were effective in preventing or treating delirium.
A new study provides direct evidence of significant fish consumption by early modern humans in China dating back 40,000 years. The analysis of collagen from a bone found in Tianyuan Cave near Beijing suggests that this individual was a regular fish consumer.
Researchers use DNA in feathers to create tags that reveal population sizes, parentage, roosting patterns, and sex ratios. This technique allows for easier study of larger populations without capturing birds.
A Swedish study found improved long-term survival rates among patients with intact abdominal aortic aneurysms who underwent surgical repair between 1987 and 2005. Patients in their 80s and males experienced higher relative five-year survival rates, likely due to atherosclerosis, whereas advances in postoperative care and endovascular a...
Researchers have identified a potential tumor suppressor gene, CST5, that mediates the anticancer effects of vitamin D3 in human colon cancer cells. The study found that cystatin D protein inhibited the growth of colon cancer cells and was induced by vitamin D3, suggesting its role as a candidate tumor suppressor gene.
The Centre for Vulnerable Women and Children in Dharavi, Mumbai, addresses the needs of crisis victims by prioritizing family unity. Successful intervention relies on strong partnerships with healthcare providers, law enforcement, and community organizations.
A recent study found that online computer games promoting healthy foods and beverages can encourage children to choose nutritious snacks. The research involved 30 low-income African American children who played a game rewarding healthy food choices versus one promoting unhealthy options.
Researchers at the University of Alabama at Birmingham found that atrial fibrillation significantly increases hospitalization due to worsening heart failure in patients not receiving beta-blockers. However, the risk of all-cause mortality was similar between those with and without atrial fibrillation.
Researchers have identified key signals supporting long-term survival of breast cancer cells after they spread to the bone marrow. The study found that activity of a cancer-related enzyme called Src is associated with late-onset bone metastasis and promotes cell survival.
Astronomers analyzed gamma-rays from two dozen pulsars, including 16 discovered by Fermi, revealing unprecedented power for discovering and studying gamma-ray pulsars. The studies shed light on the nature of unidentified gamma-ray sources in our galaxy.
Researchers found that children with autism rely heavily on proprioception to learn new actions, leading to greater impairment in social skills and motor skills. This understanding can inform targeted interventions to enhance visuo-motor associations in children with autism.
A study published in Psychosomatics found that patients with severe hypoactive delirium have the worst six-month survival rate of any class of the disease. Delirium severity, rather than motoric subtype, is associated with higher risk of mortality at six months among patients without dementia.
A new study led by Memorial Sloan-Kettering Cancer Center researchers identifies the genetic function that enables breast cancer cells to survive and spread in the bone marrow. The findings support the development of therapies targeting this survival capacity, which could prevent metastasis and improve patient outcomes.
A recent study found that cardiovascular medication costs in Canada increased by 200% over the past decade, reaching $5 billion in 2020. The study highlights the need for cost-effective medications to ensure sustainable public drug insurance programs.
A 12-week study found that N-acetylcysteine significantly reduced hair-pulling symptoms in patients with trichotillomania, a condition characterized by compulsive hair-pulling and significant psychosocial problems. The treatment was well-tolerated and compared favorably to existing treatment options.
A new molecule finds and penetrates prostate cancer cells, allowing for targeted treatment and improved imaging. The targeting molecule has the potential to reduce toxic side effects and improve diagnosis of prostate cancer.
Researchers have discovered a method to deliver a natural suppressor of the immune response, HLA-G, directly to dendritic cells using microscopic beads. This approach shows promise in creating 'designer' immune cells that can tolerate transplanted organs. The therapy could potentially replace current anti-rejection drugs and improve pa...
Wake Forest University scientists have developed a new detection method for nitroxyl, which can strengthen canine heartbeats and has potential benefits for humans. The new tool will help answer questions about natural production of nitroxyl in the human body.
A recent study found that xylitol syrup can effectively prevent tooth decay in primary teeth of toddlers. The study involved 94 children aged 9-15 months and showed a significant reduction in decayed teeth among those receiving xylitol syrup, with up to 70% prevention rate.
A new study in CMAJ found that an electronic tracking system improved diabetes care and clinical outcomes for patients, with 62% showing significant improvement compared to the control group. The study also showed greater patient satisfaction with their diabetes care.
The Society for Vascular Nursing has released a comprehensive guideline for patient care of those with vascular disease, focusing on endovascular repair of abdominal aortic aneurysms. The guidelines aim to improve patient outcomes and ensure continuity of care across the population.
A study found that movie smoking exposure is associated with an increased risk of established smoking in both team sport participants and nonparticipants. Team sports participation is linked to a reduced likelihood of youths becoming established smokers.
The HPV-16/18 AS04-adjuvanted vaccine shows high efficacy against precancerous cervical lesions, with cross-protective efficacy against other oncogenic HPV types. The vaccine also demonstrates efficacy in universal mass vaccination and catch-up programmes, potentially reducing cervical cancer incidence.
Researchers studied 35 ancient tetrapods to understand anatomical changes during the transition from fish to amphibians. They found that bones changed size at different rates, resulting in reshaping of body shape over time. This study supports the idea that modern amphibians evolved through paedomorphosis and miniaturization.
Researchers discovered that parents who encourage their children to participate in high-intensity team sports have more active kids. However, girls are less likely to engage in these activities and instead spend more time watching TV or engaging in moderate household chores.
Researchers at the Virginia Bioinformatics Institute aim to create a petascale computational modeling environment to simulate billions of individuals in large social and information networks. This project seeks to improve agent-based modeling applications on 100,000+ processor architectures.
Researchers pinpointed the basolateral nucleus of the amygdala as the site where fear conditioning is encoded. The study sheds light on how fear memories are formed and may lead to new treatments for anxiety disorders.
Research at the University of Nebraska-Lincoln shows that invasive plant species like Eastern white pine can accumulate and hold onto nitrogen, leading to increased biomass and productivity. This nitrogen accumulation allows the plants to outcompete native species and invade their habitats.
Researchers discovered that certain carbohydrates on normal cells and enzymes like β3GnT1 function as tumor suppressors. Upregulation of β3GnT1 reduced tumor activity and metastasis in breast and prostate cancers. The study provides new insights into the role of complex carbohydrates in cancer.