Psychologists at U of T create a bias-resistant personality inventory that predicts real-world performance even when respondents are trying to fake their answers. The study shows that traditional personality questionnaires fail to predict outcomes when respondents have strong incentive to distort the results.
Research found that surgical tumor removal significantly elevated serum levels of TF and Tn antibodies in gastrointestinal cancer patients, particularly those with G3 tumors. The postoperative follow-up showed a correlation between the level of anti-TF IgG and lymphocyte count, as well as between anti-Tn IgG and serum CA 19-9 levels.
Patients who had end-of-life discussions with physicians experienced improved quality of life near death, fewer aggressive medical interventions, and better hospice enrollment. Caregivers also benefited from these conversations, with lower rates of depression and regret.
Researchers at Mayo Clinic developed a probe that can detect cancerous cells in the colon with 90% accuracy, reducing the need for unnecessary polyp removal. The probe-based confocal laser endomicroscopy system could potentially cut colon polyp removal in half.
The Rong Li Lab discovered that chromosomes recruit formin-2 to promote actin filament formation around chromosomes, driving chromosome movement and asymmetric cell division. This process allows the oocyte to retain most of its cytoplasm while the polar body receives minimal amounts.
Researchers at University of Missouri are studying the interactions between black cohosh and tamoxifen in a unique rat model to understand its safety and effectiveness. The goal is to provide reliable information on how women can use herbal supplements to enhance their breast cancer treatment and improve quality of life.
A Johns Hopkins researcher found that early mobilization can help prevent muscle weakness and improve physical function in ICU patients, leading to shorter hospital stays and better quality of life. The study suggests that getting patients up and moving shortly after admission can help mitigate the negative effects of prolonged bed rest.
A study found that compassion meditation reduces inflammation and emotional distress in response to stress. Regular practice was associated with stronger reductions in inflammation and emotional responses compared to those who received a health discussion control group.
Deep biosphere microbes may hold the key to recovering petroleum through complex organic reactions. Researchers at Arizona State University are studying how hot water and pressure transform organic compounds in unexpected ways.
Researchers found that people with high narcissism tend to take control of leaderless groups and are viewed as leaders by others. However, once in power, narcissists do not perform any better than others, according to the study.
Prednisolone administration significantly suppressed serum AST and ALT levels, prevented cell membrane bleb formation, and inhibited calpain mu activation. The study's findings suggest that prednisolone's cytoprotective effect is closely associated with the suppression of these inflammatory markers.
This epidemiologic study investigates the prevalence and demography of microscopic colitis in Turkey. Lymphocytic colitis was found to be 4 times more frequent than collagenous colitis in patients with chronic non-bloody diarrhea of unexplained etiology.
Researchers have identified a gene variant linked to protection against age-related macular degeneration (AMD), which affects the retina and choroid layer. The study suggests that a malfunctioning innate immune system is contributing to the disease, providing potential targets for novel treatments.
A new study from UC Irvine researchers shows that unsaturated fatty acids stimulate production of oleoylethanolamide, which decreases appetite and increases feelings of fullness. The discovery points towards new approaches to treating obesity and eating disorders.
A special issue of the American Journal of Preventive Medicine examines the intersection of climate change and health, highlighting various impacts including heat-related illnesses, vectorborne diseases, and air quality issues. The issue emphasizes the need for a systems approach to address climate change and its effects on public health.
A study published in JAMA found that using 5-α reductase inhibitors for treating an enlarged prostate does not increase the risk of hip fractures. The research included over 7,000 men who experienced a hip fracture and found no dose-response relationship between medication use and bone health.
A meta-analysis of 15 studies found no association between circumcision and lower risk of HIV infection among men who have sex with men. Circumcision may be beneficial in preventing other STIs, but its effectiveness is unclear for HIV prevention.
Recently published research by University of Alaska Fairbanks scientists found a previously undocumented layer of organic matter on top of and in permafrost, which can release carbon into the atmosphere as temperatures warm
Researchers at Aberystwyth University have licensed a discovery of a protein that can 'wake up' dormant Mycobacterium tuberculosis bacteria, potentially leading to the development of a more effective vaccine. The Aeras Global TB Vaccine Foundation plans to take its recombinant BCG (AERAS-407) vaccine to clinical trial in 2009.
Researchers at University of Utah Health developed an MRI-based method to detect and measure scarring on the left atrium's wall in patients with atrial fibrillation. The study found that higher percentages of LA wall injury are linked to a lower recurrence rate of arrhythmia.
A protein called GluR1 enables nerve cells to communicate, promoting dendrite growth and connection formation. Research suggests that manipulating this protein's activity could enhance communication among neurons, improving motor function in patients with spinal cord or nerve injuries.
People with psychiatric disabilities in Australia smoke at four times the rate of the general population, despite efforts to reduce smoking rates. More than six in ten smokers with mental illness consumed over 22 cigarettes a day.
Researchers at the University of Iowa and France have discovered a gene variant that causes sinus node disease, a potentially fatal heart rhythm disorder. The study found that variants in the ANK2 gene result in dysfunction in the protein ankyrin-B, leading to variable heart rates and bradycardia.
A new University of Georgia study found that even occasional cigarette smoking can decrease arterial responsiveness by up to 36% in young, healthy adults. Repeated bouts of smoking further impaired flow-mediated dilation, indicating a potential long-term risk for cardiovascular disease.
Researchers at Dana-Farber Cancer Institute found that end-of-life discussions can lead to improved quality of life for patients and their loved ones. Patients who had these conversations were more likely to accept comfort care and received less aggressive medical treatment.
A new study published in the American Journal of Respiratory and Critical Care Medicine found that children with sleep-disordered breathing (SDB) experience cognitive deficits, but the severity is difficult to correlate. Researchers measured regional cerebral oxygen concentration and blood pressure during sleep to understand the comple...
Researchers discovered that tamoxifen can reduce the median time to diagnosis of ER-negative breast cancer by a year, improving detection rates through mammography. The study suggests an unexpected link between tamoxifen use and earlier disease identification in high-risk patients.
Researchers at Burnham Institute have created a peptide that converts Bcl-2, a protein protecting cancer cells from programmed death, into a pro-apoptotic molecule. This breakthrough may lead to novel cancer therapies, as the peptide induces cell death in cancer cells.
Researchers propose a nested case-control study design called PRoBE to evaluate biomarker classification accuracy, minimizing bias. Regular NSAID use is associated with a 12% relative risk reduction in breast cancer risk, according to a meta-analysis of 38 studies involving 2,788,715 women.
Researchers at Ohio State University have developed an in-vitro method to test the digestion and absorption of arsenic-laden soil. This simulation can help determine the amount of arsenic that dissolves during digestion, allowing for more efficient assessment of contaminated sites.
Researchers will build bridges between complex systems and engineering fields to design and control large-scale nonlinear networked systems. The project will also develop an agent-based intelligent distributed control scheme for microgrids operated by retail markets.
A subset analysis of a randomized trial found that older patients with renal cell carcinoma derive similar clinical benefits from sorafenib therapy as younger patients, including improved progression-free survival and quality of life. The treatment was well-tolerated regardless of age, with manageable side effects.
The National Institute of Allergy and Infectious Diseases (NIAID) has awarded $25 million in grants to develop new diagnostics and treatments for radiation exposure. Researchers will focus on improving the diagnosis and treatment of individuals exposed to radiation, as well as investigating the effects of radiation combined injuries.
The study found that the LYF elimination programme has prevented 6.6 million children from acquiring LF and stopped another 9.5 million people already infected from progressing to more debilitating stages. The programme's success is attributed to its rapid scale-up, delivering what experts call a 'best buy' in public health.
Researchers at the University of Copenhagen have discovered a new understanding of thermoelectric materials that can efficiently convert waste heat into electrical energy. This breakthrough has the potential to significantly improve fuel economy in vehicles and contribute to more environmentally friendly cooling methods.
The NIH Human Microbiome Project awards funding to develop innovative technologies and computational tools for analyzing microbial communities in the human body. Researchers aim to improve understanding of how microbes interact with health and disease.
A study found that sequential withdrawal of life support is more common than thought and associated with higher satisfaction among surviving family members. The study suggests that improving communication between physicians and families is key to better care.
Astronomers have discovered evidence that high-speed collisions between large elliptical galaxies can prevent new stars from forming. The study found that gravitational interactions can heat up gas, making it difficult for stars to cool and form.
Young wheezing children are often underdiagnosed due to symptoms similar to common childhood illnesses. Asthma diagnosis is challenging, requiring assessment of symptom frequency and patterns.
Researchers explored the effects of ethanol on IGF-I system and JNK1/2 activity, revealing its role in liver damage. Ethanol exposure altered p-JNK1/2 activity, IGF-I system, and cell viability in hepatocytes.
A study published in The Lancet Neurology found that patients in a minimally conscious state may experience pain perception similar to healthy individuals. This suggests that these patients could benefit from painkilling treatment, which is currently challenging due to limited awareness of their condition.
A new, simpler diagnostic method for detecting blood clots in the leg has been shown to be as effective as a more complex method. The study found that compression ultrasonography was highly accurate, with rates of detection equivalent to whole-leg ultrasonography.
The study provides clues about the function of phosphodiesterase 6 (PDE6) enzyme, essential to vision. PDE6 undergoes a large conformational change after binding with small messenger molecule cGMP, affecting its ability to transmit signals to the brain.
Researchers will conduct a two-year clinical trial at multiple trauma centers to analyze data on vital signs, blood transfusions, and medications. The goal is to improve mortality rates and develop standards for transfusion ratios.
Researchers found that family interventions, including parental supervision and open communication, significantly reduced risky sexual behaviors among teens with mental health issues. Family involvement also showed promise in reducing HIV risk among juvenile offenders.
A large review of 38 studies found regular NSAID use associated with reduced breast cancer risk. Aspirin and Advil showed significant protective effects, with a 13-21% relative risk reduction.
Researchers at Baylor College of Medicine found a solution to the high cost of commercial media for 3D cell cultures using chicken egg whites. The process enables normal and cancer cells to be grown in three dimensions, allowing scientists to study cell signaling and tumor microenvironments.
A study published in the Journal of the National Cancer Institute found that tamoxifen treatment may advance detection of ER-negative breast cancer in high-risk women, shortening the time to diagnosis by approximately 1 year. The drug does not alter the risk of ER-positive disease.
A $4 million NIH-funded project led by OHSU aims to discover biologically active molecules from bacteria associated with marine mollusks in the Philippines. The project will catalog and preserve over 10,000 mollusk species, targeting potential central nervous system, cancer, and antimicrobial drugs.
A study found that children serve themselves larger portions when super-sized meals are available, but portion sizes vary by gender, ethnicity, and parental feeding practices. The researchers aim to identify factors affecting children's eating habits and promote healthy choices from an early age.