A new study published in Neurology shows that having depression may increase the risk of developing dementia later in life by nearly 70%. The study examined data from over 900 people with an average age of 79 and found that those with depressive symptoms were more likely to develop dementia, particularly Alzheimer's disease.
Researchers found that antibody-producing B cells contribute to atherosclerosis in mice, while eliminating them could prevent the disease through increased production of immune protein interleukin-17. This discovery suggests that B cell-depleting drugs may also reduce the risk of atherosclerosis.
A new study links child abuse to increased rates of mental disorders in young adulthood, including anxiety, mood, and substance abuse conditions. The study used national records and a community survey to analyze the long-term effects of childhood maltreatment on adult mental health.
A study found that higher concentrations of clusterin protein in plasma are associated with the development and severity of Alzheimer's disease. Clusterin levels were also linked to rapid cognitive decline, brain atrophy, and increased amyloid-beta accumulation.
Researchers use computer models to reveal how genetic mutations and nervous system activity disrupt heart rhythm, increasing risk of sudden cardiac death. The study's findings may lead to preventative treatment options for those at high risk.
Researchers found that virtual food can elicit comparable emotional responses as real food, including increased heart rate and skin conductance. The study suggests the potential use of virtual reality therapy for evaluating and treating eating disorders.
Cyberbullying is associated with a range of psychiatric and physical symptoms, including headaches, abdominal pain, and difficulties in emotions and behavior. Adolescents who are both cyberbullies and victims experience all these conditions, highlighting the need for clear norms and supervision to prevent cyberbullying.
Researchers exposed fetal monkeys to x-rays and found a profound deficit in working memory ability when tested as adults. This mild insult early in gestation produced significant cognitive dysfunction that emerged with maturation, supporting the critical window of vulnerability during brain development.
A Concordia University study evaluated the effect of drugs on sexual behavior, finding that many recreational drugs can cause a loss in libido. The study, which reviewed data from over 100 studies, suggests that drugs and sex don't mix well.
A recent study found that men taking erectile dysfunction drugs have a higher rate of STDs, particularly HIV infection, compared to those who do not use ED drugs. However, the optimal timing for initiating surgery on rotator cuff injuries remains unclear, with experts debating whether early or delayed intervention is best.
A study found that depressive symptoms barely increase before diagnosis and remain stable after diagnosis in patients with Alzheimer's disease. The results suggest depression may be a contributing factor to the disease rather than an early sign.
Researchers at EMBL developed a technique to capture high-quality images of fruit fly embryos and zebrafish development, revealing previously unseen details. By combining multiple images and angles, scientists can now study complex processes in real-time.
A new therapy called olaparib has shown promising results in slowing tumor growth in advanced breast cancer patients with a genetic mutation. The treatment was found to be effective in 85% of patients, with fewer side effects compared to traditional therapies.
Two international studies reveal the world's plant life inhales an estimated 123 billion metric tons of carbon dioxide annually, with tropical forests accounting for 34% of this uptake. The research also shows that factors like water availability and soil transformations play crucial roles in long-term ecosystem carbon balances.
Scientists at TWINCORE have developed a mouse-adapted version of the hepatitis C virus, allowing researchers to study its interaction with the immune system. This breakthrough enables the development of new vaccines and treatments for this chronic infection.
Children saw fewer TV ads for sweets and beverages between 2003 and 2007, but more for fast food, with a 13.7% decline in ads for younger children and a 4.7% increase among teens. Racial gaps in exposure to all food advertising increased, with African American kids seeing 1.4-1.6 times as many food ads per day.
A new study has accurately measured global carbon cycles, enabling more precise predictions of climate change's impact. The research found tropical forests and savannahs are key drivers of carbon dioxide uptake, with precipitation playing a significant role in determining global productivity.
Research finds that anxiety disorders in heart patients are associated with a higher risk of cardiovascular events and death. A study of 1,015 outpatients with stable coronary heart disease found that those with generalized anxiety disorder had a 74% increased risk of cardiovascular events.
A large study found that men using erectile dysfunction drugs had significantly higher rates of sexually transmitted diseases than non-users, highlighting the need for healthcare providers to counsel patients on safer sex practices. The study suggests that ED drug use is associated with higher-risk behaviors and increased STD rates.
Daily cocoa flavanol consumption more than doubles the number of circulating angiogenic cells in the blood, increasing vessel repair and maintenance functions. High-flavanol cocoa also reduces systolic blood pressure and improves blood vessel function by 47%.
A study of 201 students found that a delayed school start time was associated with significant improvements in adolescent alertness, mood, and health. Students reported increased satisfaction with sleep, reduced daytime sleepiness, and improved motivation after the change.
A new clinical decision rule called the Primary Care CHD Score can help primary care physicians rule out coronary heart disease in chest pain patients. The score is based on five predictors, including age/gender and known clinical vascular disease.
A randomized controlled trial found that long-term antioxidant supplementation improved glucose and lipid metabolism, increased large and small artery elasticity, and decreased blood pressure in patients with multiple cardiovascular risk factors. The study suggests that antioxidants may have a beneficial impact on cardiovascular health.
A study found that adolescents who experienced difficult childhoods, such as food insecurity and physical abuse, were more likely to engage in drunkenness. Researchers suggest early treatment for traumatic experiences may help prevent alcohol abuse among teens.
Two phase-2 trials demonstrate the efficacy of olaparib in treating advanced ovarian and breast cancer in patients with BRCA1 or BRCA2 mutations. The higher dose of olaparib showed better treatment response rates compared to the lower dose, with ORR of 33% and 41% respectively.
A new study found that high concentrations of cocoa flavanols decrease blood pressure and improve the health of blood vessels in patients with heart disease. Flavanols, found in foods like cocoa products, tea, and fruits, have a cardio-protective benefit for heart disease patients.
Scientists discover A20 protein plays a protective role in chronic bowel inflammation, making it a promising therapeutic target. The study confirms genome-wide analysis results showing defects in A20 associated with Crohn's disease development.
The study found that stroke incidence rates in urban Tanzania were almost three times higher than in rural areas, with crude yearly rates of 94.5 per 100,000 in rural Hai and 107.9 per 100,000 in urban Dar-es-Salaam. The authors suggest that undiagnosed or inadequately treated hypertension is a major modifiable risk factor for stroke i...
A new preimplantation genetic screening method using micro-array technology has been shown to accurately detect chromosomal abnormalities in 89% of cases. This improvement in detection rate is expected to increase the success rates of IVF treatments for women of advanced maternal age.
Researchers found that raising juvenile salmon at 16°C causes skeletal deformities. Fast growth temperatures disrupt bone and cartilage production, leading to increased deformity rates. The study suggests temperature-induced growth is severely affecting osteoblasts and chondrocyte cells.
Researchers at Washington State University have created a compact, never-before-seen material capable of storing vast amounts of energy by applying extremely high pressures. The new material, similar to nuclear energy, has potential applications in creating energetic materials, fuels, and superconductors.
A large-scale study involving over 7,700 participants found a positive association between DNA polymorphisms related to estrogen production and breast cancer development. The research suggests that combining multiple genetic markers can estimate breast cancer risk and may lead to the development of new prevention and treatment strategies.
Researchers from Karolinska Institutet are contributing to ESOF 2010 with presentations on topics like neuroscience, intellectual property management, and Parkinson's disease treatment. The university is also organizing workshops and seminars on topics such as entrepreneurship and the future of research.
A recent study analyzing academic websites across the US found that many are using outdated and insecure Flash applications, leaving them susceptible to hacking. The researchers used a tool provided by Hewlett Packard to scan 250 educational sites, revealing low-level security vulnerabilities in over 20% of cases.
Researchers found that women with homes closer to supermarkets tend to have lower BMIs and those within five-minute walk of restaurants have higher BMIs. The study highlights the importance of food environment and built environment in contributing to obesity.
A personalized approach to smoking cessation is developing, combining genetic information and smoking habits to predict effective nicotine replacement therapy. This method could increase cessation success rates by up to 25%.
Researchers at University at Buffalo discover that wallabies and bats carry 'fossil' copies of filovirus genes, suggesting a genetic defense mechanism. This finding has important implications for developing human vaccines and understanding disease outbreaks.
Researchers at Children's Hospital Los Angeles will investigate how a type of white blood cell called macrophages help bacteria like E. coli accumulate in the blood and enter the brain. This understanding could lead to the development of treatments to prevent meningitis buildup and infection.
A recent study published in the Journal of Bone and Joint Surgery found that nearly three-quarters of the top search results for common sports medicine diagnoses were inaccurate. Nonprofit sites scored highest for completeness and correctness, while commercial sites with a financial interest often provided biased information.
Research from Imperial College London found that oil spills can partially block the ocean's natural filtration system, leading to increased arsenic levels in seawater. This can disrupt photosynthesis, genetic alterations, and animal life, creating a toxic threat to aquatic life and ecosystems.
A recent study conducted in the Seattle region found no association between air pollution exposure and increased risk of preeclampsia or preterm delivery. The research used data from 3,675 women enrolled in the Omega Study, which investigates diet and environment effects on health during pregnancy.
A new study has developed a computational approach to classify bacterial navigation systems, revealing over a dozen versions and assigning hundreds of species to each. This discovery allows for predicting how individual bacteria use their 'navigation' system to move towards favorable environments.
A new method of antibiotic prophylaxis has been developed to reduce the risk of infection in patients undergoing percutaneous endoscopic gastrostomy (PEG) operations. The routine involves giving a combination of sulfamethoxazole and trimethoprim directly into the PEG-catheter after surgery, resulting in equivalent results with reduced ...
Researchers demonstrate first full quantum control of qubit spin in tiny colloidal nanostructures, advancing quantum computing and energy generation technologies. The discovery enables precise control over light-matter interactions, paving the way for more efficient photovoltaic cells and potential breakthroughs in climate change.
A comprehensive study reveals that prison-based de-radicalization programs can be effective in reducing terrorism, particularly when individual approaches are taken. The report highlights the importance of promoting positive influences inside prisons and investing in staff training to combat radicalization.
Researchers will identify effective practices and programs to bring to low-performing high schools, measuring student achievement and dropout rates. The grant aims to reduce gaps between student subgroups and increase college readiness.
The award aims to support Dr. Brown's research on radiation damage and its effects on the immune system. Childhood cancer survivors often suffer long-term health consequences due to radiation therapy, which can cause organ damage and increase the risk of secondary cancers.
Physicists have proposed a transition from quantum to classical world through decoherence, an evolutionary process similar to Charles Darwin's natural selection. The research uses advanced scanning gate microscopy to measure scars in quantum dots, providing insight into the bridge between the two realms.
Researchers found that saber-toothed cat forelimbs were stronger than those of modern felines, with thicker cortical bone and larger diameters, suggesting they used their arms to pin prey before delivering a fatal bite.
mLED Ltd develops micro light-emitting diodes (microLEDs) with compact and efficient designs, suitable for various applications including neuroscience, microscopy, and communications. The company aims to deliver platform technology that is robust, reliable, and versatile.
Researchers at UC San Diego discovered that the brains of humans and chickens share comparable regions for analyzing auditory inputs. The study found laminated layers of cells linked by narrow columns in both species, indicating that complex cognitive functions may have evolved from ancient vertebrates.
Researchers have identified a key component of the female pear psylla's pheromone, which could be used to lure males onto sticky traps or disrupt their mating. This compound, 13 methyl heptacosane, may reduce reliance on insecticides and help mitigate resistance.
The Wellcome-Wolfson partnership is funding £30 million of large-scale university infrastructure projects in the UK. This initiative aims to facilitate internationally competitive biomedical research, enabling scientists to make groundbreaking discoveries and turn them into clinical applications.
Remnants of Tropical Depression Alex are expected to trigger thunderstorms and heavy rainfall in southern, central, and western Texas, prompting flash flood watches. The National Weather Service notes that additional rainfall will cause flooding and potential flooding through Saturday.
A study found that more than 40% of patients with treatment-resistant CLL enjoyed long-term freedom from relapse after receiving allogeneic stem cell transplants. The transplants were associated with significant risks but offered a potential cure for this patient population.
Despite these challenges, Palestinian researchers were able to attend a conference on global health issues, showcasing their resilience and determination. The conference, hosted by the Lancet-Palestinian Health Alliance, brought together international and local experts to discuss population health in the context of occupation.
A new nonsteroidal therapy, IGFBP-3, has significantly decreased disease signs of asthma in mice by inhibiting the NF-kB inflammatory pathway. This could lead to a new alternative therapy for patients resistant to current steroid treatments.
Researchers have identified a key molecular guard that prevents brain stem cells from proliferating, protecting the brain against excessive cell division. This study highlights the importance of bone morphogenetic factor protein (BMP) signaling for maintaining neural stem cells throughout adulthood.
Research finds that radiation therapy to lymph nodes in the chest increases cardiac hospitalization risk among patients with pre-existing heart disease. Patients treated with chemotherapy alone have lower cardiac complication rates, highlighting the need for post-treatment monitoring and intervention.
Removing excess carbon dioxide from the atmosphere would cool the planet, but complexities of the carbon cycle limit its effectiveness. A long-term commitment spanning decades or centuries is required to keep atmospheric carbon dioxide concentrations low.