Scientists have identified three distinct migration routes taken by female leatherback turtles from Gabon to feeding grounds across the South Atlantic, with one route spanning over 7,500km. This research is crucial for informing conservation efforts and protecting these endangered creatures.
Researchers at the University of Arizona have developed a new hand-held instrument to detect glaucoma earlier and with greater accuracy. The device uses micro-force sensors and math-based procedures to gently rub the eyelid, measuring intraocular pressure without the need for painful eye drops or sterilized sensors.
Researchers at Harvard Medical School identified a new aspirin-derived molecule that reduces levels of pro-inflammatory molecules and cells in mice. This finding suggests that the molecule could contribute to the beneficial effects of aspirin.
Researchers created a model predicting a drug's likelihood of causing birth defects by analyzing genes targeted by the medication. The model showed 79% accuracy in classifying drugs as safe or known to be teratogenic.
A new study found that kittiwake's summer breeding performance affects their winter distribution, with failed breeders migrating over 3000km to Canada. Successful breeders remained closer to Britain.
Researchers have discovered how a key viral gene helps viruses evade early detection by the immune system, providing new insights into chronic infection treatments. Dendritic cells, critical for immune response, are compromised by this gene, allowing viruses to establish chronic infections.
Researchers discovered that removing ZIP proteins protects brain cells from seizures and other insults. Zinc enters cells through ZIP transporters, and its removal is an effective way to protect memory circuits.
Current clinical practice deviates from medical evidence-based recommendations for osteoarthritis management. Researchers suggest that weight loss programs and exercise are essential but often overlooked by clinicians. The study aims to improve the quality of OA healthcare by promoting a patient-centered approach.
Researchers used fruit flies to investigate the function of intestinal neurons, finding that they regulate appetite and adjust water balance during reproduction. Intestinal changes triggered by reproductive hormones may provide a benefit in terms of nutrient absorption but could come at a cost: shorter lifespan.
A significant increase in MMP-1, an enzyme produced in tissues under conditions of inflammation, was found in the blood vessels of women with preeclampsia, explaining edema and proteinuria. This finding also suggests a new mechanism for hypertension, with PAR1 activation potentially causing blood vessel contraction.
A study found that clinical decision support systems can lower imaging utilization rates for low back pain lumbar MRI, headache head MRI, and sinusitis sinus CT. These systems provide real-time feedback to providers, aiding in the elimination of unnecessary imaging and increasing patient safety and quality.
A new analysis in PLoS Medicine prioritizes research questions for scaling up community-based interventions addressing prematurity and stillbirths. The top five priorities focus on equity, behavioral practices, and quality of care provided by community health workers.
A study published in Biological Psychiatry found that people with schizophrenia have abnormalities in inhibitory neurons within the cortex and increases in neurons in white matter below the cortex. The researchers suggest that inhibitory neurons may be 'stuck' at a stage of development due to genetic and environmental factors.
A study found that vitamin D deficiencies are prevalent among patients with autoimmune lung diseases, particularly those with connective tissue disease. The study suggests a potential role for vitamin D in the development of these diseases and improving lung function.
A compound found in birch bark, betulin, has been shown to lower cholesterol and prevent diet-induced obesity in mice. It works by targeting SREBPs, transcription factors involved in lipid synthesis, and also improves insulin sensitivity.
A new IVF prediction model developed by Scott Nelson and Debbie Lawlor uses data from 144,018 IVF cycles to provide a more accurate assessment of likely outcomes. The model identifies factors such as maternal age, duration of infertility, and oocyte use that affect the chances of successful treatment.
A UC professor is spending his Fulbright experience examining health challenges in China and sharing research about health education programs in the US. He will teach courses and explore cross-cultural comparisons of health knowledge and behaviors among Chinese and US students.
A Purdue University study finds the US is at a 'blending wall' for ethanol use, with insufficient infrastructure to increase production beyond current levels. Advances in next-generation biofuels, such as thermo-chemical biofuels, may provide a solution to meet federal renewable fuel standards.
Scientists have discovered that anaphylatoxin C5a contributes to the development of atherosclerotic disease by causing plaques to break free and block blood vessels. Inhibiting C5a may provide a new therapeutic tool for preventing heart attacks and strokes.
Researchers discovered a specific enzyme inhibitor, delta-protein kinase C, that can help control lung inflammation by protecting the lungs from neutrophil-mediated damage. This could lead to new therapeutic targets for treating acute respiratory distress syndrome and reducing morbidity and mortality associated with sepsis and trauma.
Current smokers with early rheumatoid arthritis showed reduced response to treatment with methotrexate and tumor necrosis factor inhibitors. The study found that smoking history did not impact the effectiveness of these therapies.
Researchers at MSU found that soldiers with a positive outlook were less likely to experience health problems after traumatic events. The study suggests training individuals to think more optimistically could help them cope better with distressing events.
The study found that a specific protein called GRA15 triggers inflammation in the host, leading to brain damage. Researchers hope to develop new drugs or vaccines to block this process and prevent chronic infections.
A study by researchers at Tufts University found a high prevalence of metabolic syndrome in low-income urban community in Ecuador, with vitamins C and E showing a significant relationship. Limited consumption of nutrient-dense foods such as chicken, vegetables, and legumes contributes to the risk.
Researchers found that male pattern balding may arise from a problem with stem-cell activation rather than the numbers of stem cells in follicles. The team discovered that bald areas had the same number of stem cells as normal scalp, but were depleted in progenitor cells.
The new nanoscoop material can withstand extremely high rates of charge and discharge, making it ideal for high-power rechargeable lithium-ion batteries for electric automobiles. The technology could potentially be ramped up to suit the demanding needs of batteries for electric vehicles.
The study found that torrefying plant matter can transform it into a dry, energy-rich fuel that is cheaper and easier to transport. This process could potentially replace coal in power stations and provide a secure energy supply for the future while being sustainable on all levels.
Therapeutic hypothermia has been shown to reduce neurologic complications and improve outcomes for patients with traumatic brain injury. The optimal approach to administering the treatment depends on individual patient clinical conditions.
Researchers found distinguishing characteristics of the ANA-HEp-2 test in healthy individuals and patients with autoimmune disease, reducing erroneous diagnoses. The study confirmed that the ANA-HEp-2 pattern is critical for diagnosing autoimmune disorders.
A special edition of the American Chemical Society journal Environmental Science & Technology is now online, focusing on environmental policy past, present, and future. The issue includes articles on topics such as energy sustainability, biodiversity, and climate change.
A new study published in Psychological Science finds that the trustworthiness of our intuition is linked to what's happening physically in our bodies. Subtle changes in heart rate and sweat responses affect decision making, with some people relying on intuition to win at a card game.
A study of 9 studies found that higher walking speeds were linked to increased survival time in older adults. Gait speed was most informative after age 75, with faster speeds corresponding to longer expected remaining life.
Researchers have developed a long-lasting anti-cocaine immunity in mice using a unique vaccine that combines bits of the common cold virus with a particle that mimics cocaine. The approach may offer a simple way to break and reverse cocaine addiction, potentially useful for treating other addictions as well.
Researchers developed a device using angle-resolved low coherence interferometry to detect pre-cancerous cells in the esophagus lining. The technology holds promise for earlier detection and targeted biopsies, potentially improving treatment outcomes for esophageal cancer.
A new study by Rotman researchers found that CEOs are often rewarded for growth driven by investments rather than improved profitability. This practice can lead to companies prioritizing short-term gains over long-term shareholder value.
According to Angelicque White, an assistant professor of oceanography at Oregon State University, the 'Great Garbage Patch' is less than 1% of Texas's geographic size. The amount of plastic in the North Pacific Ocean has not increased tenfold since the 1950s, contrary to previous claims.
Researchers found that Porphyromonas gingivalis infection accelerates inflammation and atherosclerosis in the innominate artery of mice, characterized by vessel narrowing and perivascular inflammation. The study provides evidence for a link between periodontal disease and systemic cardiovascular diseases.
A study found that Medicare payments for non-invasive medical imaging are higher to non-radiologists than to radiologists. This disparity has resulted from faster growth in fee-for-service payments to non-radiologists between 1998 and 2006.
Researchers discovered a defect in hair follicle stem cells conversion to progenitor cells in AGA. Aspirin-derived resolvins reduced pro-inflammatory molecules and cells in a mouse model of inflammation. A new approach to vaccine design against systemic fungal infections requires inducing Th17 cells.
A recent study by Johns Hopkins University highlights the problems with reviewing medical images from portable media. The research found three main issue areas: access, importability, and viewing problems. Noncompliance with DICOM standards is also a significant problem, which can delay patient care.
Researchers have developed a lasting anti-cocaine immunity in mice using a safe vaccine combining bits of the common cold virus with a particle mimicking cocaine. The vaccine elicits an immune response that prevents cocaine molecules from reaching the brain, reducing hyperactivity.
A study of over 100,000 patients found that 22.5% received ICDs without evidence-based guidelines, associated with higher risk of death and complications. The rate of non-evidence-based ICD implants varied by physician specialty and site.
A study by the Smoking Control Unit of the Catalan Institute of Oncology confirms that Europe's anti-tobacco laws have a direct effect on reducing tobacco consumption and passive smoke exposure. The European Union countries with stricter controls on smoking show lower consumption rates, particularly in the UK, Ireland, Malta, and Sweden.
A recent study from Rhode Island Hospital found that sailing injuries on America's Cup boats are often caused by trips, falls, and collisions with fellow crew members. The majority of severe injuries were to the head, knee, leg, and arm, with heavy weather being a contributing factor in 36% of cases.
A new mouse model has been created to study how lipid sensing and metabolism in the brain relate to energy balance and body weight. The research found that mice with a deficiency of lipoprotein lipase in neurons became obese on a standard diet, leading to decreased food intake and increased sedentary behavior.
A study by George Cotsarelis at the University of Pennsylvania School of Medicine found that balding men retain hair follicle stem cells but lack CD200-rich and CD34-positive progenitor cells. This defect is linked to a transition problem for stem cells, providing potential new therapeutic targets for AGA treatment.
A University of Colorado team found that the metabolic cost of an adult missing one night of sleep is roughly equivalent to walking two miles. The study showed a 7% increase in energy expenditure during sleep deprivation, while recovery sleep resulted in a 5% decrease.
Researchers found that estrogen induces the expression of CYP1B1 enzyme in precancerous cells, which promotes their movement and division. Depleting CYP1B1 reduces cell mobility and death in precancerous cells.
A new report reveals a key mechanism linking cellular energy state with whole-body energy state, optimizing fat absorption. Researchers found that the AMPK-SRC-2 pathway plays a crucial role in regulating fat uptake and storage.
A new molecular tool helps researchers understand the mechanism of RF genes, leading to rapid advancements in plant breeding. This unified nomenclature allows for easy comparison of unknown gene functions to known ones, improving hybrid technology.
Researchers at Purdue University have created a new type of solar cell that can self-repair like natural photosynthetic systems. The technology uses carbon nanotubes and DNA to continuously replace damaged dye molecules, mimicking nature's self-repair mechanism.
A recent study tracked almost 1,900 people over 29 years to uncover the link between larger high-density lipoprotein particles and reduced risk of heart disease. The research found that an increase in HDL2 particles significantly lowered heart disease risk.