Research presented at the Society for the Study of Ingestive Behavior Annual Meeting finds that high-fat diets increase active-period sleep and sleep fragmentation in rats. Poor sleep quality is associated with reduced orexin sensitivity, a key brain chemical involved in regulating sleep and wake states.
Scientists have discovered a new plant species in Scotland that has overcome infertility and formed a new hybrid. This rare example reveals the process of polyploidization, allowing the plant to restore fertility and thrive in the wild.
A new study finds that rheumatoid arthritis (RA) patients receive regular cancer screenings, including breast, cervical, and colon cancer tests, at similar rates to the general population. The study's results challenge previous research suggesting RA patients receive fewer cancer screenings.
The Global Alliance of Continuous Plankton Recorder Surveys has been formed to standardize methods and share data on plankton biodiversity globally. The initiative aims to provide a comprehensive perspective on ocean basin scales, crucial for understanding climate change impacts.
Researchers discovered that tumor cells release chemokine CCL2, which docks onto endothelial cells and activates the CCR2 receptor, making them permeable. This pathway enables tumor cells to migrate and metastasize.
Research established RNA Polymerase I (Pol I) activity as essential for cancer cell survival, and its inhibition with CX-5461 selectively activates p53 to kill tumors. The drug was shown to be 300 times more potent than non-genotoxic p53 activators.
A new study suggests that government initiatives to strengthen low-income marriages should focus on addressing specific problems rather than promoting the institution of marriage. Low-income respondents reported similar romantic standards and experiences as high-income couples, despite facing unique economic and social issues.
A case study on implementing the BasicNeeds model of mental health and development in Nepal found that user empowerment and community development are key to success. The model works in partnership with governments to provide essential services where mental health has not been a priority, leading to improved outcomes for users.
Research in rats and humans found that multiple pieces of food elicit greater satiation than a single piece, with increased portion sizes leading to increased intake. Cutting food into smaller pieces can make it more satiating, benefiting dieters seeking portion control.
A study found that liver stiffness measured by transient elastography is an independent predictor of liver failure, hepatocellular carcinoma, and mortality in cirrhotic patients coinfected with HIV/HCV. The measurement also predicts potential recovery and survival in patients with cirrhosis.
University of Iowa scientists have created a technique to estimate cloud properties using remote sensing observations from satellites, correcting predictions of particle concentrations. This new method is expected to find immediate application in various activities, including air quality forecasting and climate projections.
A large prospective study found that cardiac surgery has become significantly safer, even for high-risk patients, with complication rates at 5%, compared to previously reported 10%. The study also failed to show acadesine, a protective drug, reduced complications.
A study published in JAMA found that administering the regulating agent acadesine before CABG surgery did not reduce all-cause mortality or need for mechanical support. The trial included 2,986 patients and found no significant difference between those who received acadesine and those on placebo.
Archaeologists and engineers at the University of Southampton are using advanced X-ray imaging technology to study Roman coins. The technique allows for non-invasive examination and identification of coins, which can also be used to read inscriptions and depict emperors' faces.
Research suggests that sleep behavior affects body weight control and that sleep loss has ramifications for how many calories we consume and burn off through physical activity. Sleep deprivation increases hunger and reduces physical activity, leading to weight gain and increased risk of obesity and type 2 diabetes.
The tissue engineering and stem cell industries have experienced significant growth, with over half of companies generating revenue, up from 21% four years ago. Commercial products and services are driving the increase, with $3.5 billion in sales revenues and industry spending approaching $3.6 billion.
Kendall L. Carder has been recognized with the Jerlov Award for his groundbreaking research on in situ optical measurements, underwater imaging systems, and ocean color remote sensing. His contributions have significantly advanced our understanding of light in the ocean.
A new algorithm developed by MIT and Harvard researchers drastically reduces the time it takes to find a particular gene sequence in a database of genomes. The more genomes it's searching, the greater the speedup it affords.
23andMe's acquisition of CureTogether expands its capacity for people-powered research and community-driven projects. The combined platforms will facilitate the sharing of genetic and phenotypic data to accelerate research discoveries.
A meta-analysis of self-determination theory research in health contexts found that respect for patients' autonomy is positively related to feelings of autonomy, competence, and relatedness. Satisfaction of psychological needs was also linked to improved patient well-being, including both mental and physical health.
A recent study found that multiracial adolescents are more similar to their white counterparts in terms of vulnerability to peer pressure. However, multiracial youth who reported higher rates of problem behaviors were more likely to come from poor families.
A recent study found that euthanasia and assisted suicide rates in the Netherlands in 2010 were similar to those before legalization in 2002. The researchers estimated around 4050 cases of euthanasia or assisted suicide, representing just under 3% of all deaths.
Research reveals that king penguins in areas with daily human disturbance show less stress from noise and approaching humans, but experience increased heart rate after capture. The study emphasizes the importance of considering human presence effects on ecological studies and conservation measures.
A study of 400 patients found that 20.3% met the criteria for chemical intolerance, a condition characterized by sensitivity to common substances. Patients with chemical intolerance often experience multi-system symptoms and may need to avoid certain chemicals, foods, or medical prescriptions to manage their condition.
A recent study found that Federally funded clinics for low-income patients demonstrated greater adherence to guidelines on six quality measures compared to private primary care practices. The clinics performed better in pharmacologic management of chronic diseases and appropriate use of screening tests, while performing similarly on ot...
A recent study published in Hepatology found that levels of hepatitis C virus (HCV) were higher among African-American and male injection drug users. The study also revealed that HCV RNA levels are influenced by demographic, viral, and human genetic factors, making it an important predictor of treatment response.
Researchers at Georgetown University Medical Center have discovered a potential cause of HIV-associated dementia: reduced production of mature brain-derived neurotrophic factor (mature BDNF), a protein essential for brain neuron health. This finding may lead to a therapeutic solution and provide a biomarker for risk assessment.
The article emphasizes the need for sustainable integrated vector management strategies to address insecticide resistance and control malaria. Researchers argue that such approaches, inspired by agricultural practices, can provide more effective and durable pest management.
A national survey of physicians found that patient fears and misinformation are major barriers to treating menopausal symptoms. The Endocrine Society has developed the Menopause Map, an online tool to guide women through treatment options and assess individual risk factors.
Patients who use interactive personal health records are nearly twice as likely to be up-to-date with recommended preventive services. The study found significant increases in delivery of colorectal, breast, and cervical cancer screenings among IPHR users.
Researchers at Northwestern University have developed a new logic circuit family based on magnetic semiconductor devices, which could result in computers 1 million times more power-efficient. The spin-logic circuits utilize the quantum physics phenomenon of spin to perform Boolean logic and can be cascaded to develop sophisticated func...
Researchers deployed a combined sonar system to monitor fish and diving seabirds interacting with tidal turbines. The study aims to understand how water flow and turbulence affect marine wildlife, informing the development of renewable energy structures.
The foundation awarded three-year fellowships to postdoctoral scientists conducting basic and translational cancer research, providing them with independent funding to pursue novel projects. Recipients aim to understand molecular mechanisms of gene silencing, cellular cargo transport, and immune system interactions.
Researchers created first artificial molecules whose chirality can be rapidly switched from right-handed to left-handed orientation using a beam of light. This discovery holds huge possibilities for terahertz technologies, including biomedical research and ultrahigh-speed communications.
A new study published in the American Journal of Preventive Medicine found that community health center physicians performed as well as their private practice colleagues in 13 of 18 measures. Community health center physicians followed recommendations a higher percent of the time for certain conditions, such as congestive heart failure...
A study by Northwestern University found that many caregiver agencies do not conduct thorough background checks or provide adequate training for their employees. This can put vulnerable seniors at risk of abuse and neglect. The study suggests that consumers should be aware of the potential risks and take steps to ensure they hire a qua...
A new protocol allows registries to match records on identifiers such as SIN and health card number without revealing these values. The protocol uses cryptographic techniques to provide end-to-end privacy protection for surveillance programs.
Researchers at Ohio State University have identified a new mechanism that promotes cancer growth and spread by releasing tiny vesicles containing microRNA, which alter immune cell behavior. The study suggests a new strategy for treating cancer and diseases of the immune system.
Researchers at Brigham and Women's Hospital have developed a new approach to cancer treatment using supramolecular nanochemistry. The innovative nanoparticles significantly enhanced antitumor activity while reducing toxicity in breast and ovarian cancer models.
A recent study found that patients who received chemotherapy following removal of periampullary cancer experienced improved overall survival compared to those who did not receive chemotherapy. The study also suggested that gemcitabine therapy provided the most significant survival benefit, with a median survival time of 43.1 months.
A new study found that using drug-eluting stents has little relation to patients' predicted risk of restenosis. Reducing unnecessary usage could significantly cut US health costs and prevent complications. The authors suggest incorporating assessment of restenosis risk into regular practice for better-informed decisions.
Chronic pain patients with depression are more likely to misuse opioids, and primary care physicians should take a leading role in setting opioid prescribing standards. Safer alternatives like physical therapy and cognitive behavioral therapy can be effective treatments for chronic pain.
Recent immigrant men who are overqualified for their jobs are more than three times as likely to sustain an injury at work compared to their peers. Language barriers, a lack of knowledge about health and safety, and outdated skills may contribute to this increased risk. In contrast, women in similar situations show no such association.
Researchers have created an 'MRI' of the Sun's interior plasma motions, revealing that convective motions are approximately 100 times slower than previously projected. This challenges existing theories on heat transport and magnetic field generation, requiring a re-evaluation of sunspot formation and solar dynamics.
15 top medical organizations have issued a statement of agreement regarding the benefits of hormone therapy for symptomatic menopausal women. The statement concludes that hormone therapy is still an acceptable treatment for menopausal symptoms and has been endorsed by leading organizations in women's health.
A new gene therapy approach has been developed to deliver full-length versions of large genes, improving skeletal muscle function in patients with genetic disorders like dysferlinopathies. The strategy may hold new hope for treating limb girdle muscular dystrophy type 2B and other muscular dystrophies.
Researchers have identified a protein called α9β1, which inhibits airway smooth muscle contraction and may be used to develop treatment options for asthma. Additionally, studies have shown that LRH-1 plays a crucial role in glucose-sensing and coordinating glucose and lipid metabolism in the liver.
Scientists at Washington University School of Medicine found that stem cells from a specific part of the developing brain contribute to brain tumors caused by neurofibromatosis type 1. The study suggests that understanding the unique characteristics of these stem cells may lead to more effective treatments for pediatric brain tumors.
A study published in Archives of Neurology found that patients with stroke admitted on weekends received fewer urgent treatments and had higher mortality rates compared to weekday admissions. The study suggests that hospitals could potentially save hundreds of lives by improving care on weekends.
Researchers at Brown University found that training can improve recognition of rapidly presented objects by making the second target object a distinct color. This allows people to switch their attention more quickly and perceive the second target as effectively as a fifth of a second later.
A study published in Pediatrics found that HPV vaccination significantly reduced infection rates among both vaccinated and unvaccinated young women. The vaccine's effectiveness was particularly notable among sexually experienced participants.
A study by Columbia University's Mailman School of Public Health found that PEPFAR-funded HIV programs are associated with more deliveries at health facilities, suggesting a positive impact on maternal health services. This is likely due to the expansion of HIV treatment and infrastructure investments supporting other health services.
Researchers have found that blocking a fundamental process deep within cancer cells can selectively kill them and spare normal cells. This discovery reveals that accelerated reading of ribosomal genes is responsible for causing abnormal nucleoli and is necessary for the survival of cancer cells.
The new proton therapy center will provide highly individualized treatments for cancer patients in the region, including pediatric and adult tumors. The center will be operated by UT Southwestern physicians and staff, with laboratory space for researchers and at least four treatment vaults.
A Wisconsin University study surveyed 190 students and found no significant association between social media use and depression. Researchers advise parents to consider their child's overall life context, not just their online behavior.
Kendall Houk and colleagues have made unprecedented progress in understanding the Diels-Alder reaction, a pivotal mechanism in synthesizing polymers and steroids. Their research reveals that two bonds form simultaneously within five femtoseconds on average.
A new study reveals that handlebars at a lower position increase pressure on the genital region, reducing sensation in female cyclists. Proper bicycle setup can help prevent genital nerve damage and maintain sexual health.
A study found that avoiding hospitalizations, worrying less, and having a therapeutic alliance with physicians can improve quality of life for cancer patients at the end of life. The study identified nine factors that explained the most variance in patients' quality of life, including intensive care stays and pastoral care.
The University of Houston has received a nearly $100,000 grant from the National Security Agency to offer a professional training program for Chinese language teachers in Texas. The two-week program, supported by STARTALK, will focus on teaching methodologies and techniques for teaching Chinese as a second language.
A new wound care meta-review has drawn firm conclusions from Cochrane published studies, identifying strong clinical evidence for treating specific wound issues. The review covered 44 Cochrane Systematic Reviews and found evidence for treating acute and chronic wounds, including venous ulcers and diabetic ulcers.