A study found that long-term vitamin E supplementation had no clear impact on fatal and nonfatal cancers, major cardiovascular events, or deaths. However, the daily administration of natural source vitamin E increased the risk of heart failure.
Researchers dust off dusty shelf by applying Hanbury Brown-Twiss Interferometry to high-energy gold nucleus collisions, reconciling experimental data with theoretical expectations. They found that pions in the plasma have a low mass inside but a higher mass outside, helping create quark-gluon plasma conditions similar to those just aft...
A recent study found that advancements in radiation techniques have greatly reduced the risk of cardiac death after radiation therapy for breast cancer. Women with left-sided breast cancer had a higher mortality rate from ischemic heart disease compared to those with right-sided breast cancer, but this difference decreased over time.
A national study of cancer patients who underwent bone marrow transplantation reveals long-term quality of life issues persist for decades. Cancer survivors report lingering sleep, sexual problems, pain, cognitive decline, and poor physical well-being compared to healthy peers.
A comprehensive plan has been developed by Virginia Tech to minimize losses from Soybean Rust, a disease that severely affected Brazilian soybeans. The plan includes educational programs and a monitoring system to identify the disease, as well as guidelines for scouting and treating infected fields.
The American Chemical Society has recognized Schering-Plough's unique contribution to the ACS Scholars Program, providing grants of $50,000 to support 20 freshmen students each year. The program has awarded $8 million in scholarships to nearly 1,500 talented minority students with financial need since its inception.
Olah's work on hydrocarbon chemistry led to improvements in lead-free gasoline, cleaner fuels, and insights into chemical processes used in pharmaceutical and industrial chemistry. He also developed a new, highly efficient fuel cell and has guided over 200 research associates throughout his distinguished career.
The US exports nitrogen pollution beyond its borders, with most deposits found near their sources. The study estimates that the US loses track of nearly 6 million metric tons of nitrogen emissions each year, which are possibly transported to Western Europe.
The study found that Twist1 and Hand2 proteins couple to determine the number of digits on a hand, paw or wing, and whether these digits are webbed or not. Additionally, the researchers identified high-frequency mutations in patients with Saethre-Chotzen Syndrome, which may lead to cardiac and placental tissue defects.
A team of researchers has identified 219 chemicals that affect plant growth due to gravity, leading to a better understanding of protein transportation and genetic signaling in plant cellular membranes. The discovery uses chemical genomics to study the link between endomembrane system components and gravitropic response.
The National Centre for Text Mining provides a groundbreaking service for the academic community, utilizing natural language processing and data mining to uncover hidden patterns and associations. This innovative approach has already shown promise in fields like drug discovery and predictive toxicology.
A recent study published in Management Science suggests that the internet may not lead to lower prices for consumers, contradicting common assumptions. The researchers found that businesses have no incentive to undercut their rivals due to easy price monitoring on the web.
A study found that 19.8% of European home care elderly patients used at least one potentially inappropriate medication, with regional variations and associations with factors like polypharmacy and depression. Differences between Eastern and Western Europe highlight the need for targeted interventions.
A recent study published by Harvard researchers found that consuming acrylamide through diet does not increase the risk of breast cancer in women. The study, which analyzed data from over 43,000 participants, also showed no association between acrylamide intake and an increased risk of other cancers.
A survey of hospital executives found that most believed mandatory reporting systems would discourage internal reporting and lead to lawsuits, despite potential benefits for patient safety. Hospital leaders also expressed reluctance to report minor incidents, even when they would inform affected patients or families.
The Society for Adolescent Medicine advocates for adolescents to receive extended protection against pertussis. Adding a pertussis component to the current tetanus-diphtheria booster vaccine could help prevent this disease in teens and reduce transmission to infants.
Researchers have discovered that a compound called HPMC, commonly used as an additive in foods and drugs, may help prevent diabetes in people who frequently consume high-fat fast foods. The compound works by regulating metabolic genes and slowing down the absorption of fats, potentially reducing the risk of developing insulin resistance.
Scientists have identified over 20,000 uniquely 'fetch-limited barrier islands' along coastlines worldwide. These islands differ from classic ocean-fronting barriers in their wind- and wave-shielded settings and tend to be smaller with average lengths ranging from 1 kilometer.
The FDA Advisory Committee has unanimously recommended approval of Boostrix, a vaccine candidate against pertussis, for use in adolescents. The vaccine showed comparable safety and immunogenicity to a U.S.-licensed Td vaccine, with higher anti-pertussis antibody levels in adolescents than in infants.
Researchers at UC Santa Barbara have engineered over 300 new chemical penetration enhancers (CPEs) to improve the safety and efficacy of topical drug delivery. The new CPEs were designed using computer-aided modeling, allowing for the prediction of skin penetrability and potential irritation.
Dendrimers have shown promise for precisely delivering drugs to their targets inside the body, but high concentrations can be toxic. Researchers discovered that engineering dendrimers in particular ways can prevent this damage and make them better at what they do.
Researchers found that black high-risk patients were more likely to receive older treatments and less likely to receive newer drugs, including glycoprotein IIb/IIIa inhibitors and clopidogrel. Despite these disparities, short-term outcomes did not differ significantly between blacks and whites.
Research by Virginia Tech finds pasture-fed beef has less fat and higher conjugated linoleic acid (CLA), a fatty acid beneficial for human health. The study's goal is to develop efficient, profitable, and sustainable grassland-based production systems in the Appalachian Region.
Researchers found that a specific viral protein EBNA3C triggers uncontrolled growth of B cells, initiating cancer. The study provides new insights into how Epstein-Barr virus drives cancer and paves the way for developing targeted therapeutics.
A study analyzed data from over 7,300 people infected with HIV and found that HAART treatment can lower the risk of Kaposi sarcoma and non-Hodgkin lymphoma. However, no significant reduction in risk was observed for other types of cancer. Smoking is a major risk factor for lung cancer among people with HIV.
A Carnegie Mellon study reveals that infant-directed speech aids infants in learning words more quickly than normal adult speech. This research also sheds light on why adults struggle to learn a second language, as they can use their native tongue effortlessly.
A study by Johns Hopkins found that higher specialist-to-population ratios do not decrease mortality rates and can lead to more unnecessary tests and procedures. The researchers suggest finding better ways for primary-care and specialist physicians to work together to improve health services.
The government is funding an ineffective drug cure for chronic hemodialysis patients, with costs estimated at $8086 per year per person. Dr. Theodore Steinman argues that more and better studies are needed before L-carnitine can be used on a wide scale basis.
Researchers found that ceria nanoparticles with zirconium and gold improve oxygen storage and release, leading to more efficient catalytic converters. This technology holds promise for a cleaner future.
Researchers at Mayo Clinic discovered a new pathway against pancreatic cancer by targeting the GSK-3 Beta molecule, which regulates NF Kappa B activity. This finding may lead to new drug development strategies for other cancers and improve treatment options for pancreatic cancer patients.
The article highlights five major types of conflict in caring for the dying patient, including physician-family, physician-nurse, and family-family conflicts. It suggests negotiating a course of treatment with all parties involved to avoid potential conflicts and emphasizes the importance of empathy in resolving disputes.
Researchers discover that lanosterol stimulates the degradation of cholesterol-building enzyme HMG CoA reductase, controlling cellular cholesterol production. This finding has important clinical implications for improving cholesterol control in statin therapy.
Researchers at the University of Michigan have developed new polymer coatings that generate nitric oxide from compounds found in blood, which may improve accuracy and reduce clots in implanted sensors. The copper-based materials could lead to longer lifespans for these devices, addressing limitations of earlier designs.
A new study found that racial and ethnic differences in breast cancer rates can be largely explained by the distribution of risk factors, except in African American women. Among those diagnosed with breast cancer, African American women are more likely to have advanced-stage disease, larger tumors, and estrogen receptor-negative disease.
Researchers have successfully developed a method to mass-produce embryonic stem cells using a bioreactor, which increases cell growth up to 193-fold in just 15 days. This innovative approach has the potential to reduce production costs by at least 80% and increase cell density by several hundred million times.
The PLMS system provides instant feedback on alternative grazing systems' impact on farm profit, milk production, and greenhouse gas emissions. A multidisciplinary team is developing the system to balance forage needs with livestock requirements.
A Carnegie Mellon-developed robot has detected life in the Atacama desert through a fluorescence system that can identify sparse microorganisms and visualize biofilms. The findings provide insights into detecting life on Mars, with implications for astrobiology research.
The report estimates that between $1.1 trillion and $3.4 trillion will be transferred from African-American households by 2055. This represents a significant wealth transfer, with African-American households generating less than 2.5% of the national total.
Researchers found that vaccinating mice with prostate cancer immediately after hormone therapy triggers a stronger T-cell response against the cancer. The strategy could lead to better vaccine effectiveness in humans, delaying the need for additional treatments or hormone therapy.
A recent study found that cardiologists significantly underreported racial and ethnic disparities in care, with only 12% reporting disparities in their own hospitals. The study suggests that increasing awareness through practice data analysis can help address these disparities.
A study found that carriers of a genetic variant associated with low antioxidant levels in the blood have a significantly increased risk of developing aggressive prostate cancer. The research highlights the potential role of antioxidants such as selenium and vitamin E in preventing prostate cancer.
Research finds that ICU patients who develop bloodstream infections have a significantly higher mortality rate than those who do not, highlighting the importance of preventing these infections. The study also suggests that interventions targeting less severely ill patients and at-risk individuals may be effective in reducing mortality ...
Researchers found that stimulation of the posterior parietal cortex elicits complex, innate behaviors such as aggressive facial patterns and hand-to-mouth movements in primates. This discovery suggests that these behaviors are built-in to primate brains, including humans.
Wendy Saltzman's study finds that subordinate female monkeys are infertile until they become dominant, potentially benefiting them by reducing resource investment in infant survival. Her research on marmoset social behavior has implications for understanding human fertility and reproductive functioning.
A massive study is examining prostate cancer screening practices to determine their impact on death rates. The study follows 75,000 men, half of whom are screened and half receive conventional care, allowing researchers to compare survival rates.
Researchers discovered that methamphetamine triggers an immune response by forming antibodies, leading to increased tolerance and binge behavior. This finding may lead to the development of specific antibodies as a clinical treatment for addiction.
A study found that women with left-sided breast cancer had a higher risk of death from ischemic heart disease after radiation therapy, but this increased risk declined over time. Advances in radiation techniques have reduced the dose to the heart, resulting in lower mortality rates among women diagnosed with right-sided breast cancer.
A recent study published in Cell Metabolism discovered a novel link between a molecule called apoptosis inhibitor of macrophage (AIM) and the development of atherosclerosis. AIM, which typically protects infection-fighting cells, was found to promote plaque buildup inside arteries when its function is suppressed.
Research reveals unique flavors and textures in Hispanic-style cheeses, while scientists also identify ways to make beans healthier and analyze the chemistry of margaritas. The study could lead to improved quality and marketability of these foods as they gain popularity in mainstream cuisine.
A new study found that drug therapy can be as effective as invasive cardiac procedures for elderly patients with heart attacks. The research analyzed data from over 158,000 Medicare patients and showed that a more intensive medical management style was associated with improved survival, regardless of the level of invasive treatment.
The Purdue team used a unique method to study the oxidation of methane on a palladium catalyst, revealing that the rate is always the same regardless of the surface exposed. This breakthrough could lead to more efficient catalytic combustion technology, reducing pollution and improving energy efficiency.
A recent study found that aspirin may help prevent colon polyps in individuals with variant forms of the UGT1A6 enzyme. However, for those without this variant, the benefit was not significant. The researchers suggest that persistent aspirin levels could lead to increased bleeding risks.
Researchers at Arizona State University found that liposomes form microtubules under low electric fields, which may have significant implications for cellular biology and nanotechnology. The discovery could lead to new methods for fabricating bionanotubes.
Researchers at Children's Hospital Boston and Harvard Medical School found that ferroportin is the major iron exporter in key sites of absorption and release. This protein's loss of control may lead to excessive iron accumulation in tissues, causing hereditary disease hemochromatosis.
The Indiana University Christian Sarkine Autism Treatment Center has launched a new program to train teachers to support children with autism. The program, called HANDS in Autism, will provide intensive training for educators and other staff members in local school districts.
Max Planck scientists have developed a novel therapeutic strategy against anthrax using defensins. These molecules can neutralize the lethal toxin of anthrax bacilli, preventing its deadly effect and protecting against fatal consequences.