Women with breast implants after mastectomy have a lower mortality rate from breast cancer compared to those without implants, suggesting that breast implants may improve survival. The study of over 4,000 women found that implant recipients had a 12.4% mortality rate, half that of non-implant recipients.
A study found that fine particulate matter from brake wear and engine emissions increases inflammatory cells, clotting pathways, heart rhythm variability, and red blood cell volume in drivers. Exposure to pollution causes cardiovascular risks through effects on the heart rhythm and blood clotting pathways.
Researchers from the University of Toronto developed a new method for predicting mammalian gene function by analyzing RNA expression patterns. They used a support vector machine algorithm to analyze over 40,000 known mouse mRNAs and predicted functions for thousands of genes, with high accuracy.
Researchers are exploring spider silk's potential as an ecological material, with applications in wound-closure systems and durable surgical implants. By engineering artificial proteins, they hope to create intelligent materials that can assemble into new types of mesh with biochemically active groups.
Men on a very low-carbohydrate diet lost significantly more weight from their upper bodies compared to those on a low-fat diet, with three times greater fat loss in the trunk area. Women also showed significant benefits, although with less dramatic results.
The Madrid bombings resulted in over 2,000 injuries, with 312 patients taken to GMUGH. Immediate triage and evacuation procedures helped prevent medical staff from being overwhelmed, saving the lives of more than 80% of critically injured patients.
Researchers found a link between chronic allergic stimulation and an increased risk of leukemia and non-Hodgkin's lymphoma in adults. Childhood eczema also appeared to increase the risk of this condition, although its impact is still relatively rare.
A Canadian study found that fortifying foods with folic acid reduced the incidence of neural tube defects in babies from Newfoundland and Labrador by 70%. The blood folate levels of women and seniors also increased significantly, indicating a positive impact on fetal development.
Researchers assessed over 60,000 articles from 170 journals to determine the most clinically relevant titles. The study found that general broad interest titles and North American/European titles were among the top five most useful, suggesting that clinicians should focus on these publications.
A study of 13,271 Salmonella infection cases in Sweden found that 87% were contracted abroad, with most coming from Spain, Greece, and Turkey. The number of diagnoses for a rare type of Salmonella Enteritidis increased dramatically among visitors to Greece in 2001.
A twelve-year longitudinal study found that personality and learning style are key predictors of doctors' burnout and stress. Doctors with high neuroticism and lower conscientiousness tend to experience more burnout.
A study found that pigs have more babies due to gene duplication, which allowed them to adapt to climate change. The researchers used a multi-disciplinary approach to investigate the evolution of aromatase genes and their role in altering reproductive biology.
Researchers found that exposure to bovine material alone cannot explain the young age of vCJD cases in the UK; an additional age-dependent susceptibility factor is required. The study suggests that permeability of the intestinal barrier changes with age, but further research is needed.
A study published in BMC Medicine found that using visual aids significantly improved pregnant women's understanding of HIV study information. The researchers suggest that the current informed consent process is inadequate and should be revised to effectively communicate information.
A study of 166,000 Americans found that those reporting more depressive symptoms were at increased risk for illnesses, with exercise and higher education reducing symptoms. Young adults aged 18-24 reported the highest number of days with depressive symptoms.
A Japanese study found that heavy smokers who switch to low-yield cigarettes do not reduce their nicotine intake significantly. Instead, they may increase their risk due to compensatory behavior, inhaling more carbon monoxide or tar per cigarette.
A large UK study found that Gulf war veterans reported significantly more symptoms of disease than non-Gulf war veterans in almost all ill health categories. The study also found that nearly 1 in every 20 UK servicemen who served in the first Gulf war believe they have Gulf war Syndrome.
A study published in Critical Care found that severe sepsis affects around 5% of cancer patients hospitalized in the US, resulting in a mortality rate nearly five times higher than non-cancer patients. Early antibiotic treatment could significantly improve cancer survival rates.
Despite WHO guidelines, only two in five infants under six months fed exclusively on breast milk. The study found low breastfeeding rates, especially in South America and the Caribbean.
A study found that implementing child safety questionnaires significantly increased the detection of domestic violence, with 73% of cases identified. This led to an estimated 40+ cases per year of domestic violence being missed without active screening.
Researchers found that ALCAM gene expression is significantly lower in higher-grade tumors and those with a worse prognosis. This suggests that decreased ALCAM expression indicates a more aggressive phenotype and poor prognosis in breast cancer.
Nigerian naval personnel are putting themselves and their partners at risk by denying the existence of AIDS and engaging in risky sexual behaviors. A recent survey found that nearly half of sailors had sex with a female sex worker without using a condom, despite having good knowledge of AIDS-related information.
A study of 56,000 people from Wichita, Kansas found that Chronic Fatigue Syndrome causes a significant burden on the economy, with lost productivity estimated at $9.1 billion annually. The syndrome affects approximately 450,000 individuals nationwide, resulting in substantial economic losses and reduced household income.
Researchers developed a 'Wireless Health Outcomes Monitoring System' (WHOMS) that enables doctors to send short questionnaires to patients via mobile phone, reducing the need for printed questionnaires. The system aims to improve doctor-patient communication and prioritize patients in serious need.
Research by Brigid Hogan and Tadashi Okubo found that Wnt signaling can induce a dramatic shift in lung progenitor cells' lineage commitment, generating intestinal cell types. This discovery sheds light on conditions such as Barrett's esophagus and holds potential for programming adult stem cells.
Researchers found almost half of patients in Serbian emergency departments experienced depression, while over one in eight suffered from PTSD. Symptoms were more prevalent among older patients, those with lower social support, and those living in remote areas.
A study published in BMC Medical Research Methodology revealed that over 38% of Nature papers and a quarter of BMJ articles contained at least one statistical error. The researchers suggest making raw data freely available to minimize the impact of errors, which could have important practical consequences.
A recent study found that low-income Native American women experience alarmingly high rates of domestic abuse, with over half reporting assault by a partner in their lifetime. The research highlights the need for targeted programs and services to address these disparities and prevent further harm.
A systematic review found that diagnostic test accuracy is underestimated when results are verified after a delay, with an average underestimation of 74%.
Researchers found that patients taking prednisolone had significantly higher CD4+ T-cell counts after two years compared to those not taking the drug. After five years, over 10% of patients on prednisolone maintained high CD4+ T-cell counts.
A study published in Journal of Biology reveals that young dolphins adopt an ideal position to get a 'free ride' in their mother's slipstream, reducing energy required for swimming. This drafting phenomenon helps the calf stay with its mother, but can be disrupted by fishing vessels, potentially impacting dolphin populations.
Scientists create microscision technique that uses gas to bombard skin with tiny crystals, creating invisible conduits for drug delivery. The new method is shown to be effective in administering local anaesthesia without causing pain, making it a promising alternative to traditional needles.
Musicians may experience skin problems due to prolonged contact with instruments, particularly those using rosin, nickel, or other materials. Changing instrument components or adjusting playing positions can help alleviate these conditions.
Researchers used microarray technology to compare gene expression in healthy flies and those with brain cancer, finding significant changes in 321 genes involved in metabolism, cell proliferation, and more. The study identified a key tumor-suppressor gene mutation that causes cancerous tissue growth and metastasis in flies.
A meta-analysis of 14 randomised controlled trials found no significant differences between the failure rates of oral and intravenous rehydration therapies. The researchers conclude that further studies are not warranted, as oral rehydration is less traumatic, simple to administer, and associated with lower hospital admission rates.
Researchers found that children taking additional zinc sulphate on a daily basis showed faster improvement in their ADHD symptoms compared to those taking a placebo. The study's results suggest a potential role of zinc deficiency in the pathogenesis of ADHD and highlight the need for further research.
Australian researchers introduce a simple method to collect, archive and process DNA from wildlife samples using FTA databasing paper, which preserves DNA integrity despite temperature fluctuations. This technique enables the transport of large reference collections over long distances, enabling extensive wildlife studies.
A study found that only half of publishers agreed to grant permission for web-based courses to store electronic versions of articles without additional charges. Fewer than 60% granted permission to reproduce extracts at no fee, highlighting the need for more transparent and accessible publishing policies.
Research finds that passive smoking hinders healing by changing the arrangement of fibroblast cells' cytoskeleton, making them less mobile and more prone to abnormal scarring. This can lead to slower wound closure rates in smokers compared to non-smokers.
A new study found that patients who took statins before having a stroke had better outcomes compared to those who did not. However, statin use was not shown to reduce the severity of strokes.
Researchers developed 'Library on a Slide' technique to compare bacterial genomes, allowing for efficient identification of genes associated with biological processes. The method involves printing genomic DNA at high density onto a glass slide and uses fluorescently labelled probes to detect target genes.
A new toxicity test uses human growth hormone-secreting cell lines to detect toxic compounds, reducing the need for animal testing. The test, developed by Italian researchers, can identify low concentrations of chemicals that current methods may miss.
A new tumor classification system combines molecular biology and classic pathology to provide a comprehensive and consistent way of typing tumors. The system uses both the type of cells that form a tumor and its molecular characteristics to determine its behavior, offering improved accuracy and insight into treatment options.
Researchers found that depression is often associated with an underlying autoimmune process affecting the thyroid gland. The study used thyroid function indicators to predict patients' responsiveness to antidepressants, achieving an almost 90% success rate.
Researchers found that patients who lost consciousness for at least 12 hours were less likely to develop posttraumatic stress disorder compared to those who remained conscious. The study, which examined 46 inpatients with traumatic brain injuries, suggests that losing consciousness may be a protective factor against developing PTSD.
A study found that 71% of Japanese outpatients would like to make treatment decisions in collaboration with their physician. Patients prefer to involve their families in decision-making, but only allow them to support the patient's decision, not provide a third opinion.
Research suggests that hunger increases sensitivity to sugar and salt, as the body tries to consume food. However, this effect does not apply to bitter tastes, which may be more related to detecting toxins.
A new study found that people with short variants of the APOB gene region have significantly lower total and low-density lipoprotein cholesterol levels in their blood. This association may contribute to a protective role of these variants in younger adults, while being detrimental to longevity in older individuals.
Researchers found that tropical boubous sing the 'victory duet' more often after an invasion attempt than before or during playback of recordings. This rare context-specific birdsong is used to assert dominance and deter other birds from intruding into their territory.
Researchers found that adolescents with early onset depression had significantly smaller left hippocampuses compared to healthy controls. The study also revealed that those with longer histories of depression had larger hippocampuses, suggesting that initial differences may not be apparent in adult patients.