Research suggests that women live longer than men due to the biological imperative of attracting mates, with males competing aggressively for female attention. This competition leads to riskier behavior and physiology, ultimately shortening male lifespans relative to females.
A Europe-wide study aims to identify the key factors contributing to asthma development, with a long-term goal of prevention. The GABRIEL project will analyze genetic and environmental interactions, including the role of urbanization and industrial agents, to better understand this complex disease.
A study led by Dr. Paul Watkins found that grapefruit juice contains furanocoumarins, which inhibit an intestinal enzyme and cause interactions with certain medications. Removing these compounds from grapefruit juice eliminates the interaction, suggesting a new approach to managing medication side effects.
Researchers found that women can accurately determine a man's interest in children and testosterone levels from his facial expressions. This study suggests that a man's affinity for children is an important factor in his long-term mate attractiveness, even after accounting for physical attractiveness.
A recent study by the University of California - Irvine has found that indoor air purifiers producing even small amounts of ozone can exceed public health standards. This increases exposure to ozone levels in excess of health guidelines for people operating these devices indoors, potentially worsening respiratory issues such as asthma.
Scientists at OHSU School of Medicine found that bone marrow-derived cells fuse with intestinal stem cells in both normal and diseased tissue, promoting tumor growth and cancer development. This discovery has implications for understanding the balance between rapid regeneration and cancer risk.
Researchers found that exposure to hurricane-related stressful events can lead to long-term mental health problems, particularly for those with prior stressful experiences or pre-existing symptoms. The study suggests that assessment of prior experiences and psychological well-being is crucial for identifying disaster victims at risk.
A Hopkins study found that pediatricians rarely screen patients for Autism Spectrum Disorder (ASD), with 62% citing a lack of knowledge about screening tools. Screening for ASD is crucial to prevent poorer outcomes in children with developmental disorders, but current national efforts may not be effective.
A recent study found that blocking ghrelin may improve insulin sensitivity and glucose control in mice, potentially providing a new approach for treating type 2 diabetes. However, the study also raised concerns about potential long-term risks of increasing ATP production by pancreatic cells.
The gene CGI-58 boosts the activity of adipose triglyceride lipase (ATGL) up to 20-fold, solving a puzzle in lipid storage disease CDS. This activation limits lipid accumulation and restores normal fat breakdown.
A University of Iowa and VA study found that certificate of need programs limit the growth of high-cost medical services but do not harm patients. Hospitals with higher volume rates for certain procedures tend to perform better, suggesting a potential role for regulatory policies in ensuring quality care.
Researchers found that thunderstorms over Tibet transport nearly three times more water vapor into the lower stratosphere than those in India. The study also reveals that Tibetan storms are responsible for transporting carbon monoxide to the upper atmosphere, affecting air pollution.
A randomized controlled trial found collaborative care management significantly reduced behavioral and psychological symptoms of dementia in patients with Alzheimer disease. Caregiver stress also improved after the intervention.
Researchers discovered a new function for glycolipids in responding to cell stress, which may lead to treatment development for diseases like human African trypanosomiasis. The study also uncovered a pathway for protein movement in trypanosomes that could be relevant to human cells.
Researchers studied team cohesion, problem-solving and task performance of aquanauts in Aquarius undersea habitat. The NEEMO 9 project assessed physiologic reactions to isolation, sleep disruption and technology use.
The NYU algorithm uses Bayesian statistics to pinpoint tumor suppressor genes in cancer genomes. By analyzing segmental deletions and spatial relations, the algorithm detects genes that were previously unknown or overlooked.
Researchers found that a disproportionate ratio of phosphatidylcholine to phosphatidylethanolamine in cell membranes undermines membrane integrity and influences progression to nonalcoholic steatohepatitis. Maintaining a healthy ratio may provide new approaches for managing the condition.
Climate scientist Michael Schlesinger warns of catastrophic consequences of inaction on global warming, citing the shutdown of Atlantic thermohaline circulation. The professor's book emphasizes human-induced climate change and its devastating impact on sea levels and coastal cities.
A 12-month study found that testosterone patches improved bone density, body composition, and cognitive function in women with low testosterone levels resulting from hypopituitarism. The patches showed few side effects, making them a potential treatment option for these women.
A recent study published in Dermatologic Surgery reveals a significant link between summer sun exposure and the development of melanoma. Sun protective measures such as sunscreen and clothing are necessary to prevent skin cancer, despite controversy surrounding current guidelines.
A recent study highlights the importance of HIV testing for pregnant women, as even with treatment, an infected mother still poses a 25% risk of infecting her child. The use of rapid testing can significantly reduce this risk, but many women lack access to these tests due to lack of proof or electronic medical records issues.
Researchers found less improvement in cardiovascular disease (CVD) mortality among women and the elderly, with a shift towards other forms of CVD. Out-of-hospital deaths have not dropped as much as in-hospital deaths. The study suggests opportunities for improved prevention and interventions to address these disparities.
Researchers aim to identify patients at high risk of aneurysm rupture using computer simulations of blood flow. The study uses geometric models and fluid dynamics programs to analyze blood flow characteristics and predict patient-specific risks.
Scientists at UTMB and Rice University successfully transmit electrical pulses through carbon nanotubes to stimulate cell growth and communication. The breakthrough could lead to the development of prosthetic devices that can interact with living tissue.
A unified theory outlines the processes involved in perception of advertising, including gauging attractiveness and evaluating relevance. Attractive spokespeople may be less persuasive than unattractive ones when consumers believe their thinking is unduly influenced.
A $4.5 million partnership aims to improve lung health by studying immune responses to infections and allergens in Canadians affected by asthma, cystic fibrosis, and other respiratory diseases. Experts available for comment on the initiative and its implications.
A study found that lobular breast cancer (ILC) and ductal breast cancer (IDC) have similar success rates for breast-conserving therapy. ILC patients had larger tumors, but the success rate did not differ between groups.
ENDEAVOUR gathers genetic data from various databases and integrates it into a mathematical model to identify genes connected to diseases. The program has been tested in the laboratory and proven its validity for diagnosing Alzheimer's disease, leukemia, colon cancer, and Parkinson's disease.
A Stanford scientist's study reveals that 21% of prescriptions dispensed in 2001 were for conditions with little or no FDA-approved evidence, and 73% had no scientific backing. This practice, known as off-label prescribing, carries unknown risks and lacks rigorous scrutiny.
Researchers at Rensselaer Polytechnic Institute have developed a process to overcome difficulties in combining nanotubes with other materials, leading to improved composites. The new material demonstrates remarkable improvements in strength, toughness, thermal conductivity, and electrical conductivity.
Researchers found that most mothers realize the importance of protecting their child's health but often prioritize maintaining marital harmony. The study showed that even with public smoking bans, families still face challenges in quitting smoking at home.
Duke University researchers propose a new 'metal sandwich' alloy that could be superconductive at a higher temperature than current materials. Lithium monoboride, a binary alloy of boron and lithium, may have the potential to break the record for highest superconducting temperature.
Scientists found that Cx26 mutations may have an evolutionary advantage due to their role in wound healing and defense against bacterial invasion. A drug temporarily knocking out Cx26 protein could improve healing in various epidermal wounds.
Scientists studying social stress in Syrian hamsters found that subordinates eat more and gain weight after being defeated by a dominant hamster. This model can help researchers understand human stress-induced obesity.
A new study by St. Jude investigators reveals the role of several key genes in retina development and suggests new studies for designing more effective drugs to treat retinoblastoma. The study found that humans are more susceptible to developing eye cancer due to a difference in gene expression between mice and humans.
A recent study published in Heart Rhythm found that smokers are at a markedly increased risk of receiving an electrical discharge from their implantable cardioverter-defibrillators (ICDs). This risk is seven times higher than that of non-smokers, highlighting the importance of quitting smoking for patients with heart disease.
Researchers successfully transplanted white blood cells from cancer-resistant mice into normal mice, eradicating existing and preventing lethal doses of new aggressive cancers. This breakthrough study demonstrates the potential for cancer-resistant-cell therapy to treat highly aggressive types of cancer.
A recent study found that patients with diabetes who take an antidepressant medication after recovering from depression experience significantly lower rates of depression and better blood glucose control. The study, published in Archives of General Psychiatry, suggests that controlling depression can help manage blood sugar levels.
Researchers studied brains of individuals with amnestic mild cognitive impairment and found similar changes as those with Alzheimer's disease, including neurofibrillary tangles. The study suggests that existing tests need to be more sensitive to differentiate between underlying abnormalities.
Researchers investigated the association between genetic variants and breast cancer risk, as well as apolipoprotein E (apoE) plasma levels and cardiovascular mortality in older adults. The study found no link between CHEK2 gene variants and breast cancer risk, while high apoE levels were associated with increased cardiovascular mortali...
Developed by Johns Hopkins Medicine, online calculators and computerized drug ordering systems significantly reduce medication errors in children. Studies show that these systems can prevent up to 17-18 errors per 100 chemotherapy orders, particularly in pediatric oncology centers.
Researchers studied nematocyst discharge in Hydra using an electronic framing-streak camera at 1,430,000 frames per second. They found discharges as short as 700 nanoseconds and pressures of up to 7 GPa, allowing the cellular process to release kinetic energy with molecular spring mechanism.
The Mayo Clinic study found that brains of people with mild cognitive impairment showed structural changes similar to Alzheimer's disease, but not as severe. The researchers believe this transitional state may indicate a person is on the road to developing Alzheimer's.
Researchers found that density of infected nymphs varies significantly from year to year, primarily influenced by fluctuations in acorn, mouse, and chipmunk abundance. Acorns emerge as the best predictor of Lyme disease risk due to their crucial role in supporting rodent populations.
Researchers found that children with childhood-onset arthritis are at higher risk of fractures, especially after age 45. The study analyzed medical records of 1,959 patients and compared them to a control group of 207,000 patients, revealing a significant association between JIA and increased fracture rates.
The Allergan Foundation has donated $2 million to support eye research, clinical care, and education at the University of California, Irvine. The donation will help develop a new facility dedicated to retinal diseases, including diabetic retinopathy and macular degeneration.
The M3 Challenge, a prestigious competition, awarded top prizes to six teams for their innovative mathematical approaches to addressing the Social Security Stalemate. The winning solutions demonstrated creative implementation of mathematical modeling, showcasing originality and ingenuity in tackling this timely problem.
A large cohort study found that patients taking high-dose corticosteroids are at increased risk of developing atrial fibrillation. Corticosteroids may affect heart function by altering potassium balance and causing fluid retention, leading to high blood pressure and congestive heart failure.
Researchers created a network of concept vectors to analyze word pairs and reconstruct hierarchical structures in texts. This study may reveal the underlying structure of language, enabling comprehension of abstract ideas.
Scientists have discovered a new mechanism for the formation of insulin crystals, which is crucial for understanding diabetes. The discovery, made by University of Houston researchers, provides insight into how insulin molecules attach to crystals and could lead to breakthroughs in various fields.
A small study found that antiviral therapy with acyclovir and valacyclovir can significantly reduce postherpetic neuralgia symptoms in patients with moderate to severe nerve pain following shingles. Eight out of 15 participants reported a significant reduction in pain after one month of treatment.
Researchers developed a mathematical model of the cochlea that shows its spiral shape enhances low frequency sounds, increasing sensitivity by up to 20 decibels. This finding could lead to improved cochlear implants and better hearing outcomes.
Researchers have mapped a link between the size of the hippocampus and progression to Alzheimer's dementia. The technique allows for subtle anatomical differences to be detected, which holds great promise for predicting cognitive decline and improving patient counseling.
Scientists from the University of Florida's Institute on Aging found that reducing calories by 8% and exercising moderately extended lifespan and improved liver function in rats. This discovery suggests that even slight calorie moderation can have significant effects on health, with potential implications for human aging.
A national study found that 85% of prescriptions for commonly prescribed drugs were for FDA-approved indications or off-label uses with strong scientific support. However, 21% of prescriptions lacked evidence to support their use.
A new study by Anne Roggeveen, Dhruv Grewal, and Gerry Gotlieb found that positive framing in comparative ads encourages consumers to thoroughly analyze message cues. In contrast, negative framing leads to biased thinking and a focus on extrinsic cues rather than objective measures like price.
Researchers found that long-term use of statins increased retinal blood flow and reduced intraocular pressure in healthy men. The findings suggest a potential therapy for diabetic retinopathy, a condition linked to reduced blood flow in the eye.
Dendritic cells are specialized white blood cells that patrol the body for infections. The new discovery reveals they have a highly organized structure, acting as specialized squads to deal with specific problems. This breakthrough sheds light on their role in preventing autoimmune diseases and could lead to new immune therapies.
Vanderbilt engineers are working on software to enhance military commanders' communication capabilities using the Global Information Grid. The GIG includes various networks, from internet to satellite communications, and the software aims to integrate these resources effectively.
A team of researchers found that the 2004 tsunami contaminated coastal drinking water sources in Sri Lanka by pouring seawater into open dug wells. The study also showed that efforts to restore wells were sometimes counterproductive, causing more contamination.