IV drips can be left in place
A randomized controlled trial found that routine resite of IV devices every 3 days did not reduce complications compared to clinically indicated resite. In fact, it increased patient discomfort and healthcare costs.
BMC (BioMed Central)
Anti-aphrodisiac protects young bedbugs
Researchers have discovered that young bedbug nymphs release aldehyde pheromones to signal to males that they should look elsewhere, providing a new insight into the chemical communication system of bed bugs. This finding may lead to the development of mating disruption techniques to decrease bed bug populations.
First Irish genome sequenced
A research team from UCD Conway Institute has successfully sequenced the first entire genome of an Irish individual, revealing nearly 200,000 indels and over 3 million SNPs. The study identifies novel genetic markers specific to Irish ancestry and potential disease indicators.
Are white homosexual men still taking too many HIV risks?
Research found that young white homosexual men contribute significantly to local HIV spread, highlighting high-risk behavior as a major factor. The study's findings suggest targeted prevention programs focused on this group are needed to combat rising infections.
Microsoft Excel-based algorithm predicts cancer prognosis
Researchers developed an algorithm using Microsoft Excel to identify genes useful in breast cancer classification. The 20-gene signature performed well on a validation dataset, outperforming other models in terms of accuracy.
SourceBMC (BioMed Central)·JournalJournal of Experimental & Clinical Cancer Research·DateSep 1, 2010
Baby's first full nappy can reveal mother's smoking
Researchers measured tobacco smoke metabolites in meconium samples from 337 babies and found a strong correlation with reported smoke exposure. The study suggests that prenatal tobacco smoke exposure is linked to adverse infant health outcomes, highlighting the importance of tracking environmental exposures during pregnancy.
Ugly Betty forced to aim for Average Joe
Researchers found that female sparrows of low quality are more likely to choose male sparrows with smaller or average-sized badges, rather than prioritizing size. These less attractive males tend to invest more time in parental care, providing a silver lining for unattractive females.
Sad mothers have small babies
A study in rural Bangladesh found that women with depression and anxiety during pregnancy gave birth to smaller babies, which are more likely to die in infancy. The research highlights the importance of mental health support services to reduce child mortality in developing countries.
A moment on the lips, a year on the hips
A four-week episode of increased energy intake and decreased exercise caused significant weight gain, which was mostly lost within six months. However, the intervention group showed an increased fat mass compared to baseline after two and a half years, highlighting the long-term effects of short-term behavioral changes.
Alcohol-based hand disinfectants improve business productivity
A study published in BMC Infectious Diseases found that alcohol-based hand disinfectants significantly reduced incidences of absenteeism due to common colds, fever, and cough. Hand disinfection also reduced on-the-job-productivity-losses and increased workplace health levels.
A cure for HIV could be all in the 'mix'
A new research approach targets infected cells to eliminate HIV, offering a potential cure. By inducing programmed cell death, the approach aims to reduce the viral load and prevent disease progression. If successful, this therapy could lead to an eradication of the virus.
Teaching robot helps children to use wheelchair
A new robotic wheelchair system, ROLY, is being developed to assist young children with disabilities in learning to drive. The system uses a joystick with force feedback assistance to help children develop driving skills at their own pace.
Why are male spiders small while females are giant?
Researchers found that small male spiders can carry out the 'bridging' maneuver, a common mode of locomotion for vegetation-inhabiting spiders. This efficiency allows them to have more mating opportunities and compete better for receptive females, leading to selective pressure for smaller size.
Brain potentials reveal spectator effect
Researchers found differing responses for neutral observers, those who wished the player to fail, and those who wanted to see them succeed. The study used event-related potentials to measure brain activity in response to different game scenarios.
Migrating birds can't control themselves
Researchers found that migratory birds become less capable of resisting temptation, pecking at food-giving buttons without learning to stop. The study suggests that temporal fragmentation of sleep may play a role in the loss of behavioral inhibition during migration.
Biomarkers found for postmenopausal cardiovascular disease
Researchers have discovered two novel biomarkers for stroke and coronary heart disease in postmenopausal women. Beta-2 microglobulin levels were significantly elevated in CHD patients, while insulin-like growth factor binding protein 4 was strongly associated with stroke risk.
New Zealand women suffer long delays for abortions
Researchers found that over 50% of women terminated their pregnancy on or after the tenth week, with many waiting too long for the procedure. The study highlights the need for clinics and referring doctors to reduce waiting times and improve services.
For pandas, there is a mountain high enough, there is a valley low enough
Research on giant pandas in China's Xiaoxiangling and Daxiangling mountains shows physical barriers can isolate genetic groups. Gene flow is crucial for maintaining genetic diversity and is negatively affected by habitat fragmentation. Reconnecting habitats could restore population viability of the endangered species.
Brain scans may help guide career choice
Researchers used MRI scans to investigate the neurological basis for performance on vocational guidance tests, finding that gray matter correlates differ between broad and narrow test types. This study provides a basis for investigating whether brain scans can provide unique information for vocational choice.
How do you make the perfect sled dog?
Researchers identified the genetic contributions of various breeds to Alaskan sled dogs' performance. The study found that Alaskan Malamute and Siberian Husky traits are associated with enhanced endurance, while Pointer and Saluki contribute to speed, and Anatolian Shepherd improves work ethic.
Women in their 50s more prone to PTSD than men
Research found that women are more prone to post-traumatic stress disorder (PTSD) than men, with the highest risk peaking at age 51-55. The study suggests that increased lifespan may contribute to this difference, as individuals have more years to experience traumatic events and their consequences.
Uncovering behavior of long-dead insects
Researchers from Natural History Museum of Bern reveal courtship behaviors of male parasitoid wasps through antennal structures and coiling behavior. The study, published in BMC Evolutionary Biology, emphasizes the importance of natural history museum collections.
Adaptation in mole blood aids tunnelling
Researchers discovered an adaptation in Eastern mole blood that allows for more efficient carbon dioxide transport, facilitating burrowing. The 'super hemoglobin' enables moles to thrive underground, overcoming oxygen and carbon dioxide challenges.
Do cleaning products cause breast cancer?
Researchers found that women who used more air fresheners and products for mold and mildew control had a higher incidence of breast cancer. The study suggests that cleaning products may contribute to breast cancer risk, highlighting the need for further investigation into this potential link.
Hot town, summer in the city
Researchers developed a definition for heat waves and found that long-duration heat waves have the greatest impact on mortality, with elderly women particularly vulnerable. The study highlights the need for tailored public health interventions to address heat-related mortality in different cities.
What happens to your genes when you smoke a cigarette?
A groundbreaking study published in BMC Medical Genomics found significant changes in gene expression due to cigarette smoke exposure. The research, involving 1,240 individuals, identified over 323 unique genes whose expression levels were correlated with smoking behavior, revealing a sobering link between smoking and gene expression.
'Tough love' no good for obesity interventions
Researchers found that obese people preferred public health interventions perceived as non-judgmental and empowering. Participants were less likely to view stigmatizing or shaming approaches as effective. Non-commercial techniques, such as personalised care planning and long-term support systems, were also supported.
Anti-cancer effects of broccoli ingredient explained
Researchers found that sulforaphane, a broccoli compound, reduces prostate cancer risk by affecting cells lacking the PTEN gene. In these cells, sulforaphane inhibits tumor growth and competitiveness. This study suggests potential therapeutic applications of sulforaphane.
Gene knockout makes female mice masculine
Researchers created FucM mouse mutants to investigate the role of the fucose mutarotase enzyme in sexual preference. The study found that female mice with the gene knockout displayed drastically reduced sexual receptivity and altered brain development, leading to masculine-like behavior.
Conference bursaries make malaria mission possible
Researchers and graduate students from low-income countries can apply for conference bursaries to attend the Parasite to Prevention conference in Edinburgh, UK. The bursaries cover travel, accommodation, and conference registration costs.
Teen moms more likely to have premature babies
Researchers found teenage mothers more likely to have premature babies due to biological immaturity and social factors. The study highlights the importance of antenatal care and post-natal contraception for pregnant teenagers.
Hospital hyperglycemia may predict future diabetes
Researchers found a significant association between acute illness complicated with hyperglycaemia and the development of type II diabetes or glucose intolerance. Patients with hospital-acquired hyperglycaemia during critical illness are at increased risk of developing diabetes, suggesting regular monitoring is necessary.
Virtual food causes stress in patients affected by eating disorders
Researchers found that virtual food can elicit comparable emotional responses as real food, including increased heart rate and skin conductance. The study suggests the potential use of virtual reality therapy for evaluating and treating eating disorders.
Antioxidants do help arteries stay healthy
A randomized controlled trial found that long-term antioxidant supplementation improved glucose and lipid metabolism, increased large and small artery elasticity, and decreased blood pressure in patients with multiple cardiovascular risk factors. The study suggests that antioxidants may have a beneficial impact on cardiovascular health.
Difficult childhoods lead to teenage drinking
A study found that adolescents who experienced difficult childhoods, such as food insecurity and physical abuse, were more likely to engage in drunkenness. Researchers suggest early treatment for traumatic experiences may help prevent alcohol abuse among teens.
Salmon in hot water
Researchers found that raising juvenile salmon at 16°C causes skeletal deformities. Fast growth temperatures disrupt bone and cartilage production, leading to increased deformity rates. The study suggests temperature-induced growth is severely affecting osteoblasts and chondrocyte cells.
Dark chocolate lowers blood pressure
Researchers found that consuming dark chocolate can significantly reduce systolic blood pressure by 5mmHg, comparable to 30 minutes of moderate exercise. This effect is most pronounced in individuals with high blood pressure, potentially reducing the risk of cardiovascular events by 20% over five years.
Even the midnight sun won't convince bees to work nights
Researchers tracked bumblebee movements in Arctic conditions, finding that bees work a day shift and retire before midnight. The study suggests that bees may have an internal sense of time based on light intensity or temperature changes.
Genetics in bloom
A team of researchers discovered the molecular mechanisms governing Gerbera's unique inflorescence structure, characterized by three different flower types. The study highlights an expanded gene family that likely plays a new role in the formation of this complex structure, differing from Arabidopsis species.
Brief psychological therapy is effective in primary care
A meta-analysis of 34 studies involving 3962 patients found that brief cognitive behavior therapy (CBT), counseling, and problem-solving therapy (PST) were equally effective in treating depression and mixed anxiety. The study suggests that brief psychological therapies can be an effective treatment for routine delivery in primary care.
Early and aggressive arthritis treatment recommended
Researchers found that patients treated with early combination disease-modifying antirheumatic drug therapy had less radiographic damage in small joints, even after 11 years. Early and aggressive treatment achieves excellent results for most patients, especially those who achieve strict remission at 1 year.
Swiss media likely to twist positive health messages
A study published in BMC Research Notes found that public health campaigns in Swiss media frequently featured negative threats despite a focus on positive, gain-framed messages. Regional newspapers played a crucial role in reporting the campaign, producing more detailed articles than other media outlets.
Danish children at risk from psychotropic medicines
A study found that psychotropic medications were associated with 429 adverse drug reactions in Danish children under 17, with serious reactions including birth defects and neonatal withdrawal syndrome. The researchers called for tighter controls on the prescription of these medicines to pregnant women.
Striped mice -- the neighbors from hell
Researchers found that breeding males were more aggressive towards neighboring males than strangers, potentially to protect paternity. The study suggests the 'Nasty Neighbor' phenomenon helps limit territorial costs.
Lemurs lose weight with 'life-extending' supplement
Resveratrol supplementation has been shown to decrease energy intake by 13% and increase resting metabolic rate by 29% in mouse lemurs. The study demonstrates the compound's potential effects on obesity therapies, providing novel information on its impact on energy metabolism.
Harmful bacteria carried by pigeons
Researchers found Campylobacter jejuni and Chlamydophila psittaci in 69.1% and 52.6% of pigeons in Madrid, respectively. These bacteria can cause diarrhea in humans through aerosols, direct contact, or contaminated food and water.
Damselfish 'garden' algae
Researchers discovered damselfish selectively weed algal gardens to promote Polysiphonia growth, reducing competition from other algae. This 'gardening' behavior leads to a mutualistic association between the fish and Polysiphonia, showcasing cultivation mutualism in non-terrestrial habitats.
Super-yeast generates ethanol from energy crops and agricultural residues
A new yeast strain, TMB3130, has been developed to ferment pentose sugars, significantly improving aerobic growth rate and biomass concentration. This breakthrough enables the efficient production of ethanol from non-food materials, such as agricultural residues.
Scottish people 'living dangerously'
The study found that nearly 97.5% of Scotland's adults are at risk for multiple health problems, with low education and socio-economic circumstances being key drivers. The prevalence of these risk factors is particularly high in the most deprived communities, highlighting the need for targeted interventions.
Asthma control? We've got an app for that
Researchers found that an online self-management tool significantly improved asthma symptoms in those with partly controlled or uncontrolled asthma. The system, which allows patients to measure lung function and receive personalized advice, led to a 80% participation rate in the first three months.