A study led by a Virginia Commonwealth University professor found that nearly 30% of knee-replacement surgery patients gained 5% or more of their body weight over five years. This is significantly higher than the 20% gain rate in comparison group without surgery.
Researchers create mathematical model of plant petals to understand iridescence and its role in attracting pollinators. The study, published in Journal of the Royal Society Interface, provides a first analysis of how petal surface patterns might be produced.
Research suggests that childhood environments can program life history strategies, influencing responses to resource scarcity. People who grew up in poorer homes tend towards impulsive decisions, while those from wealthier backgrounds delay gratification.
A study at Massachusetts General Hospital finds reduced local and long-range brain activity coordination in individuals with autism spectrum disorders. Local connectivity was previously thought to be higher in autistic brains, but the current research reveals a more complex connection between brain regions.
Fox Chase Cancer Center has received a grant to expand its community-based patient navigation services, which will help women with abnormal mammography results obtain follow-up care. The grant also supports 10 breast cancer education programs in the community and provides mammography screening services for under-insured women.
A new study found that the Safe Routes to School program significantly reduced pedestrian injury rates among school-age children in New York City. The program's interventions, including improved traffic signals and crosswalks, led to a 44% drop in injuries during peak walking times.
A study of 93,600 women aged 25-42 found that consuming three or more servings of blueberries and strawberries weekly reduced heart attack risk by 32% compared to those eating less than once a month. The flavonoids in these berries may help dilate arteries and prevent plaque buildup.
Researchers have discovered a method to induce sexual reproduction in Penicillium chrysogenum, leading to the development of new strains with improved industrial characteristics. This breakthrough aims to increase penicillin production, making it cheaper to produce, and potentially applicable to other economically important fungi.
A proof-of-concept clinical trial showed improved tissue growth after implanting a hydrogel scaffolding in 15 patients. New cartilage filled an average of 86% of the defect, and patients reported a greater decrease in knee pain.
A systematic review of four studies suggests that acupuncture may have a positive effect on exercise performance and recovery after exercise. However, additional trials with larger sample sizes and randomized designs are required to confirm these findings.
A study of 1,837 women found that early surgical menopause is associated with faster declines in long-term memory and overall thinking abilities. Women on hormone replacement therapies had slower declines.
A recent study published in PNAS found evidence of gene flow from India to Australia around 4,230 years ago, challenging the notion that Australia remained isolated between initial colonization and European arrival. This migration also shares a common origin with populations from New Guinea and the Philippines.
A new study reveals that a mutation in the Timothy syndrome gene causes abnormal brain circuitry by retraction of dendrites in response to neural activity, leading to cognitive impairment. The finding may have implications for understanding neurodevelopmental disorders such as autism, bipolar disorder, and schizophrenia.
The REVIVE-IT study will investigate the potential benefits of left ventricular assist devices for patients with advanced heart failure. Researchers aim to determine if implanting these devices earlier can improve patient outcomes.
The Jordan Baruch Stem Cell Research Fund was dedicated at Ben-Gurion University to support scholarly collaboration and the Center for Regenerative Medicine, Cellular Therapy and Stem Cell Research. The fund aims to develop treatments for debilitating diseases such as diabetes, ALS, Parkinson's, and leukemia.
Researchers found that marine bacteria prefer specific temperatures, nutrients, light, and salinity levels, contradicting the 'everything is everywhere' hypothesis. The discovery suggests dispersal limitation plays a crucial role in shaping bacterial distributions.
A new study by De Montfort University reveals worrying inconsistencies in how NHS hospital trusts in England define and report surgical site infections. The findings suggest that published rates do not accurately reflect the true scale of surgical infections, highlighting the need for improved data collection and reporting systems.
A study found that countries consuming large amounts of milk have a higher number of Nobel laureates, possibly due to the boost in vitamin D levels which can enhance cognitive function. However, the relationship may not be solely driven by education, as some nations with high milk consumption also exhibit strong educational systems.
Researchers at Indiana University identify a molecular 'switch' in clathrin that may play a role in suppressing tumors. The discovery could lead to new strategies for controlling cancer.
The adoption of electronic health records by family physicians has doubled since 2005, reaching 68% nationally in 2011. Researchers found that family physicians are adopting EHRs at a higher rate than other office-based physicians and are likely to exceed 80% penetration by 2013 if the current trend continues. Meanwhile, patients' expe...
Researchers found significant influence of seabird activity on methane and nitrous oxide emissions in the Arctic tundra, contributing to global warming. Meanwhile, a new assessment reveals U.S. cities are less susceptible to water scarcity issues than previously thought.
Tropical Cyclone Emang developed with strong convection and moderate to heavy rainfall around its center. The storm is expected to slowly intensify over the next couple of days as it travels over open ocean, reaching peak intensity by the end of the week.
An ASH international clinical network collaboration improved APL survival rates by replicating a high cure rate of 85% in patients in Central and South America. The standard-of-care protocol, including oral ATRA and daunorubicin-based chemotherapy, showed promising results with low cumulative incidence of relapse.
A Knowledge Transfer Partnership between Cornwall Council and Plymouth University improved social care training, resulting in the development of a new training programme for staff. The programme incorporates aspects of safeguarding adults, the Mental Capacity Act, and Equality and Diversity legislation.
New research reveals that salmon stocks varied greatly on centuries-long time cycles, with fluctuations lasting up to 200 years. The study found that natural variations in salmon abundance were as large as those due to human harvests, and that some regions showed different changes over time.
A CU-led study reveals that pine beetle outbreaks do not harm adjacent stream water quality, but instead increase the uptake of nitrates by smaller trees and understory vegetation. This compensatory response provides potent water quality protection in western forests.
A study published in Neurology found that smoking and poor blood pressure and cholesterol levels significantly increase the risk of death for patients who have survived subarachnoid hemorrhage. The research, which followed over 64,000 Finns, revealed that lifestyle changes can help prevent early deaths among SAH survivors.
Future climate changes are predicted to benefit most mammals in the Arctic and sub-Arctic regions today, except for some specialists like the Arctic fox and lemming. Human activities will hinder these species from adapting, reducing their distribution instead.
A new study of 1.4 million children found that injecting the DTaP vaccine into the thigh muscle reduces the risk of injection-site reactions by around half compared to the arm. The research supports current recommendations to administer intramuscular vaccinations in the thigh for children under 3 years old.
Researchers found that users who focus on close friends' updates experience increased self-esteem, but also display less self-control. This can lead to higher body-mass indexes, credit-card debt, and binge eating. Social network use is linked to poorer offline behaviors in individuals with strong social connections.
Stem-cell therapy has been shown to prevent the decline in heart function associated with Duchenne muscular dystrophy. The treatment involves transplanting stem cells derived from normal mouse blood vessels into the hearts of mice with DMD, where it prevents dilated cardiomyopathy and promotes angiogenesis.
A recent study by Massachusetts General Hospital and Boston Health Care for the Homeless Program found that drug overdose deaths have surpassed HIV as the leading cause of death among homeless adults in Boston, with a significant increase in opioid-related overdoses. The study highlights the dire need to address the epidemic of drug ov...
A study published in Climatic Change reveals that global warming has increased monthly heat records by a factor of 5 worldwide. The researchers found that 80% of observed monthly records would not have occurred without human influence on climate, highlighting the urgent need for adaptation.
Research suggests hard-hitting graphic tobacco warnings may help smokers of all backgrounds quit, with consistent reactions across racial/ethnic and socioeconomic groups. The study found that pictorial warning labels were more effective at highlighting the dangers of smoking and encouraging quitters.
A new study published in Neurology shows that people with early Parkinson's disease often experience non-motor symptoms like anxiety, constipation, and drooling. These symptoms can significantly impact quality of life and are treatable if addressed.
Researchers at USDA and University of California-Davis discovered distinctive amino acid profiles in oranges grown on HLB-positive or -negative trees. These profiles could serve as an early indicator of the pathogen's presence.
The completed genome sequencing of DBM provides insights into insect adaptation to host plants and opens new ways for more sustainable pest management. The study identified gene families involved in detoxification, including ABC transporters, P450 monooxygenases, glutathione S-transferases, and carboxylesterase.
Researchers developed an imaging system enclosed in a capsule about the size of a multivitamin pill that creates detailed, microscopic images of the esophageal wall. The system has several advantages over traditional endoscopy and reveals subsurface structures not easily seen with endoscopy.
Researchers have developed a graphene plasmonics device that can detect even trace amounts of substances in minutes, revolutionizing drug testing for athletes and detecting viruses. The breakthrough uses artificial materials with topological darkness to achieve high sensitivity.
Scientists at the Universities of York and Leeds have made a significant discovery about the cause of ozone destruction over oceans. The research team found that the principal source of iodine oxide can be explained by emissions of hypoiodous acid and molecular iodine.
The IFIT protein recognizes foreign viral RNA and blocks viral infections by acting as a defender molecule. The discovery reveals the molecular mechanism behind how IFIT proteins capture only the viral RNA and distinguish it from normal molecules belonging to the host.
Researchers use high-energy X-rays and new data extraction protocol to study 360 million year old fossils, shedding light on how early vertebrates moved from water onto land. The discovery reveals a new understanding of the backbone's structure and its functional evolution.
A new study uses DNA analysis to reconstruct hair and eye color from ancient human remains, confirming the blue eyes and blond hair of a Polish general. The HIrisPlex system was also able to identify details from medieval samples, including a mysterious woman buried in a 12th-14th century crypt.
Researchers discovered a class of p53 target genes and regulatory molecules that regulate metabolism and senescence in cells. Malic enzymes, identified as novel pharmaceutical targets for anticancer therapy, may also play a role in the normal process of cellular aging.
Scientists at the University of Manchester have discovered that reactive oxygen species (ROS) play a crucial role in tadpole tail regeneration, which could lead to new therapies for human tissue repair. The team found that manipulating ROS levels may be essential to initiate and sustain regeneration processes.
A new study by Ohio State University reveals that younger generations have significantly higher credit card debt and slower repayment rates compared to previous generations. Increasing the minimum monthly payment can lead to faster debt repayment, potentially saving individuals years of financial burden.
A study at Johns Hopkins found that early rehabilitation programs in ICUs generate significant cost savings for hospitals. By reducing length of stay and improving patient strength, these programs can save hospitals up to $818,000 per year.
Researchers at Case Western Reserve University have discovered a faint dwarf galaxy and another possible young dwarf galaxy in the constellation Ursa Major. They also found evidence pointing to two already known dwarf galaxies as probable forces that pulled the pinwheel-shaped disk galaxy, M101, out of shape.
A group of experts, led by Johns Hopkins bioethicists, rejects the traditional ethical paradigm guiding American healthcare and calls for a new framework that integrates clinical research and practice. The proposed 'learning healthcare system' prioritizes patients' needs, respects clinicians' judgment, and promotes continuous learning ...
A study by US Department of Agriculture scientists found that a lady beetle's diet influences its feeding patterns and physiology. The research suggests that plant material provides key nutrients lacking in insect prey diets, making mixed diets healthier for the beetles.
The American Cancer Society recommends low-dose computed tomography (CT) screening for patients aged 55-74 with a 30-pack-year smoking history. A thorough discussion of benefits, limitations, and risks is essential before screening. Screening can reduce lung cancer mortality in high-risk groups.
A new enzyme treatment has been developed to neutralize the effects of lethal chemicals responsible for thousands of deaths each year. The treatment, known as a bioscavenger, was found to protect mice against nerve agents and showed no lasting effects.
Intrinsically disordered proteins (IDPs) may still have functions without a rigid structure, while protein flexibility is crucial in molecular recognition. The debate highlights the complexity of protein behavior and the need for experiments to determine the true nature of protein recognition.
Researchers found that blocking VEGF-A can decrease intraocular pressure but impair the ciliary body's function. This raises concerns about the long-term effects of aggressive anti-VEGF therapies on eye diseases like wet macular degeneration and diabetic macular edema.
Two articles debate causal link between cannabis and psychotic illnesses like schizophrenia. David Castle argues for a causal link, while Suzanne Gage et al suggest stronger evidence is needed.
Research shows that individuals with depression after a stroke have a tripled risk of dying early and four times the risk of death from stroke. Screening for and treating depression in stroke survivors may be key to addressing these risks, according to study author Amytis Towfighi.
A field study found that signs with relatable messages in bathrooms led to an 86% hand-washing rate, compared to 75% without such messages. Researchers believe these messages can significantly impact public health, particularly during cold and flu season.
Researchers applied Deutsch–Märk and Binary-Encounter-Bethe methods to beryllium and its derivatives. The calculations provide improved understanding of electron impact ionization cross sections (EICS) for the ITER fusion chamber.
Researchers at UGA have discovered a little-studied part of protein kinases that controls their function, promising to help improve existing drugs for life-threatening diseases such as cancer, diabetes, and Alzheimer's. The discovery may lead to new therapies and modifications to existing drugs, boosting their effectiveness.
Researchers at MIT have developed a novel method to manipulate heat by employing engineered materials with nanostructured semiconductor alloy crystals. This approach enables the concentration of heat phonons within a specific frequency range, allowing for control over heat flow similar to light waves.