Research reveals that tobacco companies in South Korea have been deliberately targeting girls and young women with marketing campaigns, using tactics such as associating smoking with body image and female emancipation. The study calls for stricter regulations and public education to combat the rise in female smoking rates.
Two studies found that exercise significantly improves quadriceps strength and function after knee replacement, while certain activities increase risk of osteoarthritis. Rehabilitation targeting impaired areas is essential for optimal recovery.
Researchers at Washington University School of Medicine identified a gene that controls protein translation in microscopic worms, allowing them to survive in low-oxygen environments. This discovery has implications for conditions like stroke, heart attack, and cancer, and may lead to new therapies for preventing cell death from hypoxia.
A recent study suggests that the Queen Elizabeth National Park in Uganda could support a large lion population, with estimates suggesting up to 905 individuals. The research, led by University of Wisconsin-Madison professor Adrian Treves, used aerial surveys and prey data to predict lion abundance.
Researchers found that women who experienced complications due to hypertension in their first pregnancies are at a higher risk of hypertension after pregnancy. The study, conducted on over 11 million women, also showed that each subsequent affected pregnancy compounds the risks.
The European Union's decision to allow orlistat to be sold OTC may not be beneficial for the public due to its limited effect on obesity management. The drug's high cost, approximately £1.47 per day in England, adds false credibility to quick fixes, highlighting the need for long-term lifestyle changes.
A recent study published in the Proceedings of the National Academy of Sciences highlights the need for improved understanding of ecosystem interactions and long-term data collection. The authors warn that current approaches are limited by discipline-bound thinking and lack a full description of the complex biophysical and social systems.
A new study on stickleback fish found that followers play a crucial role in good leadership and that individuals adopt roles based on social feedback. The researchers showed that each member of a pair influences the other's behavior, leading to dynamic leadership emergence.
Researchers at MIT have identified two genes that are altered in the brains of animals with L-DOPA-induced dyskinesias. The study found that regulating these CalDAG-GEF molecules could have therapeutic value for treating the involuntary movements associated with Parkinson's disease.
Individuals with chronic back and neck pain are less likely to receive exercise prescriptions, with physical therapists prescribing it most frequently. Exercise is a moderately effective therapy for this highly disabling illness, but its underutilization may hinder treatment outcomes.
A new study shows that premature babies born before 34 weeks have a significant reduction in serious complications when given a 'rescue course' of Antenatal Corticosteroids. The study found a 31% decrease in respiratory problems, ventilator support, and surfactant use with no adverse side effects noted.
A new Florida State University study found that nicotine exposure in adolescence can lead to depression-like symptoms in adulthood. The researchers injected adolescent rats with nicotine and found that even brief exposure could have long-lasting effects, causing behavioral changes symptomatic of depression.
Scientists embark on three-year project to measure carbon dioxide and other greenhouse gases worldwide, shedding light on their distribution and impact on climate change. The research will enable better predictions of greenhouse gas emissions and inform society's decisions about climate change mitigation.
A new phase of pure boron has been discovered with a partially ionic structure, exhibiting unusual physical properties and bringing surprise to the scientific community. The discovery was made possible by a computational method developed by ETH Zurich researcher Artem Oganov, who predicted the stable crystal structures of materials.
Researchers found three factors governing circadian clock resetting: Cryptochrome, Jetlag, and Timeless. These proteins fine-tune light responses on a molecular level, ensuring the bodyclock stays synchronized with its environment.
Researchers found that reed warblers employ a defense-in-depth strategy by mobbing model cuckoos at high-risk nests, reducing parasitism rates. Mobbing is adaptive in contexts where brood parasitism varies spatially and temporally.
Children born preterm are at three times higher risk of screening positive for autism, according to a Boston University study. The modified checklist for autism in toddlers (M-CHAT) is used to assess developmental risks, with over 21% of children in the study screening positive.
A new UCSF study reveals significant differences in life experiences and perceptions of homeless youth among African American and white youth. The research found that African Americans tend to maintain closer ties to their families, while white youth are more likely to be runaways from dysfunctional homes.
A randomized trial of 1,800 pregnant women with periodontal disease found that routine gum treatments do not reduce the risk of early delivery. The study suggests that treating periodontal disease during pregnancy is safe, but standard periodontal care is not enough to prevent preterm births.
Researchers at Northwestern University developed a novel method to assemble graphite oxide sheets into continuous membranes, overcoming conventional thin-film processing limitations. This breakthrough enables the creation of high-quality graphene devices with high successful yields and potential applications in energy-related fields.
A study of college freshmen in China and the US found that Chinese students knew more science facts than their American counterparts, but both groups struggled with scientific reasoning. The research suggests that educators must go beyond teaching science facts to boost students' reasoning ability.
A comprehensive review of case-control studies links gene polymorphisms in alcohol dehydrogenase and aldehyde dehydrogenase enzymes to an increased risk of upper aerodigestive tract cancers. Polymorphisms ADH1B and ALDH2 are associated with a higher risk, but data on other variants is insufficient for meta-analysis.
Researchers have discovered that blue light can effectively destroy two common strains of methicillin-resistant Staphylococcus aureus (MRSA) in a laboratory setting. The study found that high-dose photo-irradiation using 470-nm blue light was able to kill up to 90.4% of the bacteria, making it a promising potential treatment for MRSA i...
Researchers at Stanford University School of Medicine have identified a protein called TCAB1, which is crucial for telomerase to repair the ends of chromosomes. This discovery may lead to new anti-cancer therapies by blocking the inappropriate expression of TCAB1 in human cancer cells.
A clinical trial at Northwestern University's Feinberg School of Medicine found that patients with relapsing-remitting multiple sclerosis experienced significant improvements after receiving an autologous non-myeloablative haematopoietic stem-cell transplant. The disease stabilized in all patients, with 81% showing improvement.
A team from the University of Iowa launched two NASA rockets that flew through an auroral curtain, collecting data on the structural subtleties of the aurora. The ACES mission will provide insight into current models of aurora structure and help refine them.
Researchers at the University of East Anglia have identified a compound that blocks pigment cell movement, potentially preventing skin cancer. The study uses Xenopus Laevis tadpoles as a model organism due to their genetic similarity to humans.
The Biophysical Society has announced the winners of its international travel grants, chosen based on scientific merit and proposed presentation. The recipients include researchers from Argentina, Brazil, Croatia, India, Iran, Mexico, Portugal, Russia, Slovenia, South Africa, and United Kingdom.
Research from Albert Einstein College of Medicine found that Ashkenazi Jewish men carrying specific gene mutations have a higher risk of developing aggressive prostate cancer. The study identified three particular mutations, including BRCA1-185delAG and the mutated BRCA2 gene, which increased the risk of high-grade tumors.
The University of Pittsburgh Graduate School of Public Health has been awarded a seven-year $11 million grant to coordinate the Hepatitis B Clinical Research Network, a consortium of 15 US and Canadian institutions. The network will conduct translational research on hepatitis B, aiming to find a lasting cure for the infection.
Yale researchers identified proteins associated with early onset neonatal sepsis, a stealthy bacterial infection linked to premature birth and death. The biomarkers found have diagnostic value for infection and inflammation, allowing for earlier identification of babies at risk.
Researchers have discovered how rhodopsin communicates with transducin in the retina, shedding light on vision's molecular processes. This breakthrough could lead to more targeted treatments for diseases like diabetes, allergies, and certain cancers.
The sorghum genome sequence reveals its drought-tolerant properties and offers tools to breed more resilient crops. The genetic code is also being used to improve biofuel crops like sugarcane and Miscanthus, enhancing the efficiency of cellulosic ethanol production.
The Biophysical Society has announced the winners of its Minority Travel Awards, which support minority students attending the 53rd Annual Meeting in Boston. The recipients include Lisette Fred and seven others, who will receive travel awards to attend the meeting.
The Biophysical Society has announced the winners of its student travel award, selected based on scientific merit with priority given to those presenting a paper at the conference. The awardees receive a travel grant and will be recognized at a reception.
Researchers encoded letters 'S' and 'U' in interference patterns formed by quantum electron waves, creating a tiny hologram that can be viewed with a microscope. The achievement paves the way for storing more information in less space, challenging the assumption of atomic limits
Researchers at UT Southwestern Medical Center found that mice lacking collagen VI developed 'healthy' obesity when fed a high-fat diet, without inflammation or insulin resistance. The study highlights the role of collagen VI in modulating fat-cell physiology and its potential as a target for intervention.
UCSF's Positive Choice: Interactive Video Doctor and Healthy Living interventions have been selected by the CDC for their effectiveness in reducing HIV risk behaviors. These programs address crucial aspects of living with HIV, including stress and coping, transmission risk behaviors, and adherence to medication regimens.
Researchers at the University of Cincinnati are developing new imaging technologies to help accurately pinpoint deep-brain stimulation electrodes in patients with Parkinson's disease. The study aims to reduce complications and improve patient outcomes by utilizing advanced MRI sequences and diffusion tensor imaging.
SnowMan, developed by UB engineers, uses fluid mechanics principles to design roadways less prone to snow drifts. The software provides precise placement of snow fences to mitigate drifting, reducing highway safety risks and winter maintenance costs.
The AAS High Energy Astrophysics Division has awarded the 2009 Rossi Prize to Charles D. Bailyn, Jeffrey E. McClintock, and Ronald A. Remillard for their work on measuring black hole masses in binary pairs with companion stars.
Scientists at the University of Cambridge have identified a key biological reason behind locust swarming behavior, linking it to an increase in serotonin in specific parts of the insect's nervous system. This discovery could lead to new strategies for controlling locust plagues and understanding behavioral traits in animals.
Research followed over 2000 high- and middle-school children, finding that TV viewing times predict a poor diet in the future. Young adults who watched more than five hours of TV per day had lower intakes of fruits, vegetables, and whole grains, but higher intakes of fast food and unhealthy snacks.
A recent study published in Photochemical & Photobiological Sciences found that UV light-enhanced tooth bleaching causes significant damage to skin and eyes, with fair-skinned individuals at greater risk. Additionally, the treatment was also found to exacerbate existing dental issues, such as exposed grooves on teeth.
Researchers discovered that desert locusts have higher serotonin levels when behaving in a swarm-like manner, which may help identify individual neurons driving this behavior and lead to more effective pest control. Desert locust swarms can devastate crop yields, with 20% of the world affected by this species.
Researchers at UBC discovered a mimic of nature's antibiotic that can protect surfaces from bacteria and fungi, potentially reducing medical problems like degeneration or rejection of implants. The synthetic peptides are active when attached to surfaces, killing harmful bacteria and fungus.
A randomized, double-blind, placebo-controlled study found that long-term administration of chondroitin sulfate can prevent joint structure degradation in patients with knee OA. The study also showed significant reductions in joint space loss, pain, and adverse events in the treatment group compared to the placebo group.
A recent study by researchers at the University of Bath and London's Natural History Museum found that dinosaur fossils match their evolutionary trees remarkably well. The study used statistical data from fossils of four major dinosaur groups to confirm the accuracy of current views on their evolution.
Researchers have found a connection between seismic slip and nonvolcanic tremor in the Cascadia subduction zone, potentially increasing stress on the megathrust fault. The findings suggest that slow slip events may lead to increased risk of megathrust earthquakes.
Researchers found that 21% of preterm children screened positive for autism spectrum disorder (ASD), with cognitive impairments increasing the likelihood. The study suggests a possible correlation between preterm birth and ASD, but further research is needed to confirm direct causality.
A phase I/II study of autologous non-myeloablative haemopoietic stem cell transplantation in 21 adults with relapsing-remitting MS found that the procedure can stabilize and may reverse neurological disability. After an average follow-up of 3 years, 81% of patients improved by at least 1 point on a disability scale.
Researchers identify eotaxin as a novel target for new class of allergy medications, which may help alleviate symptoms of asthma and other allergies. The study's findings could lead to breakthroughs in understanding the severity of allergic reactions and developing effective treatments.
Researchers found differences in activation strength between male and female groups on a verbal fluency task, with women scoring higher than men. The study suggests that sex differences may be related to both performance level and neurocognitive variations.
Researchers discovered a link between mutated genes and vascular development, which could lead to classification and therapy for congenital blood vessel malformations. The study identified two key genes, Snrk-1 and Dusp-5, as playing crucial roles in angioblast formation and differentiation.
A recent study has identified Placental Growth Factor (PIGF) as a key player in the inflammatory process of rheumatoid arthritis. Researchers found that PIGF stimulates the production of pro-inflammatory cytokines TNFα and IL-6, contributing to joint destruction.
A new £692,000 research program will investigate why vulnerable people with complex needs become homeless and how to prevent it. The project aims to develop a greater understanding of homeless individuals who face multiple problems such as drug dependencies, mental health issues, and institutional experiences.