Panel members of the Institute of Medicine's Eighth Joint National Committee opposed relaxing systolic blood pressure targets to 150 mmHg, citing insufficient evidence. The decision may reduce antihypertensive treatment intensity, potentially reversing declines in cardiovascular disease mortality rates.
A Mayo Clinic study found that nearly all patients with intact rotator cuffs experience improved function and pain relief after shoulder replacement surgery. The procedure improves range of motion and reduces pain in nearly all cases, especially for those with rheumatoid arthritis.
The new website provides weekly predictions for US seasonal flu rates in 94 cities, based on a scientifically validated system. Flu cases are forecast to peak in January, with some areas already experiencing the worst of the outbreak.
Researchers at Johns Hopkins Medicine have identified a small molecule compound called BMH-21 that targets and disrupts a key pathway in cancer cells, preventing their growth. By shutting down the RNA Polymerase pathway, BMH-21 prevents mutant cancer genes from communicating with cells and replicating.
Researchers at Duke University have determined the structure of a key part of the HIV envelope protein, gp41 membrane proximal external region (MPER), which previously eluded detailed structural description. This discovery will help focus HIV vaccine development efforts.
A cheap and simple technology developed at the University of Sheffield can repair earthquake damaged buildings in a matter of days, reducing delays for homeless people. The 'belt' technique involves wrapping metal straps around each floor to increase the building's ability to withstand further earthquake movement.
Researchers argue that record-level funding is not enough to protect endangered species, highlighting the need for alternative approaches such as community-based conservation and sustainable trade. The study calls for a shift in focus from enforcement alone to more comprehensive solutions to combat poaching.
Scientists have discovered six proteins essential for cell-to-cell communication in the heart, regulating heartbeat synchronization and limiting heart attacks and strokes. The findings also suggest that mTOR inhibitors can be used to prevent erratic heart rhythms, offering a potential treatment for arrhythmias and heart failure.
Scientists at MIT have developed a strain of mice that mimics the human immune system, allowing them to study the interaction between the host and the malaria parasite. The research reveals that natural killer cells play a crucial role in controlling infection early on.
A study published in PLOS ONE found that observers could detect changes in a person's appearance even when they couldn't visually identify the change. The researchers showed that this ability was not due to extrasensory perception or a sixth sense.
A study found that giving probiotics to infants during the first three months of life can prevent gastrointestinal disorders like colic, acid reflux, and constipation. This approach results in lower healthcare costs for families.
Researchers developed a novel sugar-based tracer contrast agent to aid in the detection of inflamed and vulnerable artery plaques. The new tracer, fluorodeoxymannose (FDM), shows promise in targeting high-risk plaques more specifically than traditional glucose-based tracers.
A USC study has identified a viral microRNA cluster responsible for causing Kaposi's sarcoma, the most common cancer among HIV-infected people. The cluster targets key cellular pathways associated with cancer development, offering potential targets for new therapeutics.
A study by Yvonne Terry-McElrath and colleagues found that most elementary, middle, and high school students are exposed to food commercialism at school. The percentage of schools with exclusive beverage contracts decreased from 2007 to 2012, but fast food remained available in many schools.
Researchers found that metformin inhibits mTOR pathway, which supports cancer growth, rather than activating AMPK. Metformin may still be useful for cancer treatment, but clinicians should use caution when interpreting data.
A study by Jessi L. Smith and Meghan Huntoon found that gender norms about modesty contribute to women's reluctance to brag about their achievements. Interventions can help women communicate effectively about their successes. The research suggests that cultural shifts are needed, but practical strategies like promoting female friends' ...
A study by researchers at the Medical College of Georgia has identified two players that must work together to destroy vision in patients with diabetes. The findings suggest that blocking the production of reactive oxygen species by either retinal cells or white blood cells may be a viable strategy for intervention.
A team at TUM has developed a glass-based detector that accurately determines the form of light waves in individual femtosecond pulses. The new detector simplifies measurements of ultrafast physical processes and enables the generation of stable attosecond light flashes with controlled shape.
Cyclone Ian has been battered by strong wind shear, causing its bulk of precipitation to shift east and southeast. The storm's temperature varied greatly, with coldest cloud tops near -63F/-52C in some areas.
A new study from the University of Texas at Austin found that parents who give their children similar-sounding names are more likely to mistakenly call them by another family member's or pet's name. The researchers discovered that physical and personality similarities between siblings also contribute to these errors.
A recent study by University of Chicago Booth School of Business professors provides a more accurate approach to modeling caller patience than ever before. This insight can help call centers design better systems, fine-tune existing ones and negotiate smarter contracts for outsourcing services.
A new blood test has been developed to diagnose coeliac disease, providing a rapid and accurate result within 24 hours. The test measures T cell response to gluten after three days of consumption, showing high predictive value for coeliac disease diagnosis.
Tropical Cyclone Colin is experiencing heavy rainfall, with TRMM satellite data showing rates of up to 2 inches per hour. The storm is moving south-southeast towards cooler sea surface temperatures, which will cause it to weaken.
A new study led by Boston University School of Public Health researcher Dr. Richard Saitz found that a single screening question may detect unhealthy substance use, including 88% for alcohol dependence and 97% for drug dependence, outperforming longer screening tools.
A new UK-China project investigates the social and political factors driving low-carbon innovation in China, exploring its impact on global climate change. The project aims to inform opportunities for low-carbon transitions in China and beyond.
A team led by The Wistar Institute will conduct a 4-year, randomized clinical trial to test an immunotherapy strategy that has shown promise in reducing the amount of persistent HIV-1 virus residing in cells. The trial aims to establish the effectiveness of this approach in advancing an HIV cure.
A new study finds that heart attack survivors, particularly black and Hispanic women, are less likely to adhere to prescribed medications. The researchers highlight the need for targeted interventions to improve long-term adherence and optimal outcomes.
Researchers at UC Riverside have discovered how the common fruit fly detects sweet compounds, revealing a new understanding of taste receptors in insects. The study's findings hold promise for developing strategies to block these receptors, potentially helping to control disease-carrying mosquitoes and other pests.
A study found that 88% of participants opted for further investigation even if symptoms carried only a one per cent risk of indicating cancer. Patients cited peace of mind and early detection as main reasons for wanting more timely testing, highlighting the need for NHS guidelines to be revised.
A University of Illinois study found that family-style meals help children develop healthy eating habits and recognize their body's hunger cues. The research suggests that Head Start centers are in better compliance with nutrition guidelines than other child-care centers.
A team of researchers from Curtin University has developed an approach to identify potential refugia in declining rainfall environments, essential for conservation efforts. They found that areas with great water run-off below granite outcrops and deeper soil may provide safe havens for biodiversity.
Despite initial expectations, Americans with and without children at home exhibit similar levels of life satisfaction when controlling for factors such as education, income, health, and religiosity. However, parents experience more emotional highs and lows than nonparents, including higher rates of happiness, sadness, worry, and stress.
Cartilage cells can grow new tissue when exposed to chemical signals mimicking physical activity, a breakthrough that could lead to new treatments for osteoarthritis. Researchers identified the ion channel TRPV4 as key to this process.
A study published in the Proceedings of the National Academy of Sciences found that primates, including humans, expend only half the daily energy needed by other mammals. This slow metabolism accounts for their prolonged childhoods, infrequent reproduction, and extended lifespans.
Researchers at Durham University have discovered a natural mechanism in plants that can stimulate growth even under stress, leading to potential improvements in crop yields. The team found that plants produce a modifier protein called SUMO that interacts with growth-repressing proteins, allowing for the removal of brakes on plant growth.
A survey of 3,000 triathletes found a significant association between physical doping and brain doping, with 13.7% of men and 8.0% of women reported doping. The study also revealed that athletes who use legal performance-enhancing substances are more likely to engage in brain doping.
A study found that cognitive training can benefit older adults for up to 10 years, improving their ability to conduct everyday tasks. The training was effective in reducing difficulty with tasks such as using the phone, tracking medication use, and managing finances.
Ultra-cold fermions exhibit surprisingly robust collective behavior under specific conditions. By analyzing local collisions, scientists discovered that individual properties team up coherently as a single identity in spin space at very low temperatures.
Researchers create a system that can weigh particles as small as 0.85 attograms, opening up new possibilities for studying synthetic nanoparticles and biological components of cells. The device, known as a suspended microchannel resonator (SMR), uses a miniaturized sensor to measure the mass of particles flowing through a narrow channe...
Research shows that postpartum depression symptoms decrease over time, but 30-50% of affected women experience chronic depression. Factors like age, income, and relationship quality may contribute to a higher risk of chronic depression.
Research found no effects of school drug testing on high school students' experimentation with marijuana, cigarettes, and alcohol. However, a positive school climate with clear rules and respect among students and teachers was associated with reduced substance use.
Patients treated with IMRT experience fewer side effects and lower cancer-related deaths compared to traditional radiation therapy. The study found that IMRT is a safe and beneficial treatment option for patients with head and neck cancer, with improved survival rates and reduced life-threatening recurrences.
A new study by Wellesley College economists finds that MTV's '16 and Pregnant' and 'Teen Mom' led to a 5.7 percent reduction in teen births, accounting for one-third of the overall decline. The shows may have conveyed information to teens who were at risk of childbearing, preventing them from giving birth at a young age.
A study published in JAMA found that coronary artery calcium (CAC) density is associated with lower risk of cardiovascular events. Researchers suggest re-evaluating the CAC scoring system to incorporate density and other variables, as dense plaques may be more stable than previously thought.
The Penn State-led team aims to improve existing hydrological predictions and study the coupling of water with its environment. The goal is to create a strategic tool to assist in decision-making for extreme weather events.
A new study confirms that candesartan is just as effective as propranolol in preventing migraine attacks, offering a new treatment option for patients who have not responded to traditional medications. The study found that over 20% of patients experience relief even with a placebo, highlighting the potential of candesartan as a more co...
The discovery of well-preserved pelves and partial pelvic fin material in Tiktaalik roseae reveals that the evolution of hind legs began as enhanced fins. This challenges the existing theory that large, mobile hind appendages developed after vertebrates transitioned to land.
The Damon Runyon Cancer Research Foundation has awarded over $2.8 million to 20 top young scientists for their innovative cancer research projects. The award provides independent funding to early career investigators to pursue novel ideas and aims to make paradigm-shifting breakthroughs in cancer prevention, diagnosis, and treatment.
Researchers at Scripps Research Institute describe two new drug scaffolds that target the kappa opioid receptor, offering novel tools for treating pain, addiction, and other disorders. The compounds, called biased agonists, activate the receptor without recruiting beta arrestin, a molecule associated with depression.
Researchers at the University of Illinois discovered that modeling secondary light emission as Raman scattering can predict its dependence on laser power and wavelength, leading to improved biological and medical imaging modalities. This breakthrough has significant implications for surface-enhanced Raman scattering.
Researchers at Rensselaer Polytechnic Institute have identified a gene associated with congenital diaphragmatic hernia, a life-threatening birth defect. The discovery reveals the genetic root of the physical defect and offers potential routes for intervention.
Teenage boys who perceive themselves as underweight are more likely to experience depressive symptoms and engage in steroid use. The research highlights the importance of addressing body image concerns among adolescent boys, particularly those who feel bullied or underweight.
A comprehensive genetic study of multiple myeloma has identified subpopulations of cancer cells with different mutations within the same tumor. This discovery could impact treatment strategies and patient outcomes.
Older adults who received brief cognitive training showed improvements in reasoning ability, speed-of-processing, and everyday tasks. Even booster sessions had lasting benefits up to 10 years later.
Researchers found that native perennial grasses and mixes of native prairie grasses and flowering plants outperform corn in terms of biodiversity, pest suppression, and methane consumption. The study suggests that coordinated land use policies can enhance ecosystem services, but rising commodity prices threaten this approach.
The researchers propose to build complex polymer nanostructures on scaffolds made of plant viruses to provide control and precision. They aim to produce an evenly dispersed polymer coating with consistent and efficient properties, reducing toxic side effects in drug delivery.
A team of researchers found that microbes engage in market-like behaviors, including comparing bids for commodities, hoarding resources, and eliminating competitors. This discovery has implications for understanding microbial interactions and could lead to new approaches in social microbiology.
A research group at Biocenter Oulu in Finland has identified a mechanism related to a transcription factor that binds strongly onto a particular SNP variant, initiating a genetic programme enhancing prostate cancer proliferation and metastasis. The study used DNA samples from tens of thousands of prostate cancer patients and healthy me...
The Canadian Medical Association Journal provides a comprehensive review of autism spectrum disorder, emphasizing the importance of early detection and referral to intervention services. The article highlights best practices for pediatricians and family doctors, including behavioral interventions and personalized medicine.
Researchers discover a subgroup of memory T-cells that are resistant to HIV killing and can survive for years, making them a key target for developing a true 'cure' for HIV infection. This finding could also lead to the development of new cancer therapies targeting stem-cell metabolic pathways.
A new University of Michigan study found that white parents are more likely to use age-appropriate car seats for their children than non-white parents. The study, which analyzed data from over 600 parents, also showed that non-white parents were more likely to prematurely transition their children to booster seats and seat belts.
Patients with head and neck cancers who received IMRT experienced improved outcomes, including a statistically significant improvement in cause-specific survival compared to those treated with conventional therapy. The study found that IMRT reduced treatment-related side effects while delivering effective cancer treatment.
Patients with pre-existing chronic kidney disease who underwent robot-assisted partial nephrectomy for kidney cancer experienced minimal loss of kidney function compared to those with normal kidney function. The procedure also showed no cases of end-stage kidney disease requiring long-term dialysis.
Researchers found a substantial drop in the use of affirmative action in college admissions from 1992 to 2004. Selective public colleges in states affected by statewide bans or judicial rulings significantly reduced their affirmative action policies, whereas others continued to prioritize minority applicants.
Scientists have identified a key gene receptor and signaling pathway essential to maintaining human embryonic stem cells (hESCs) in an undifferentiated state. By blocking the WNT signaling pathway and its encoded receptor FZD7, researchers were able to keep hESCs in their pluripotent state.