Articles tagged with United States Population
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
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Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
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Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
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Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A new study published in the Journal of Research on Adolescence found that 26% of LGBTQ teenagers use emerging sexual identity labels, highlighting the need for researchers to capture nuanced experiences. The study also notes a divergence in patterns of sexual identification based on ethnicity and gender identity.
A new study finds that nearly 35% of US rural counties are experiencing protracted and significant population loss, driven by outmigration and declining fertility rates. The researchers also identified 746 depopulating counties, with an average migration loss of 43%, leading to a downward spiral of population decline.
Providers' reluctance to prescribe PrEP stems from concerns about increased risk-taking behavior among users. However, research suggests that PrEP can facilitate healthy sexual behaviors and enhance overall well-being. The authors propose strategies to mitigate biases and promote patient-centered care for PrEP dissemination.
A recent Rutgers University study reveals that South Asian immigrants who travel frequently to countries with widespread tuberculosis may have latent infection without symptoms, highlighting the need for better screening and treatment. Approximately 1.7 billion people worldwide, including 13.6 million in the US, have latent TB.
The University of Illinois Chicago will continue its role as the Chicago field center for the Hispanic Community Health Study/Study of Latinos, a multi-site study of health issues and risk factors among Hispanic/Latino adults. The new funding will support phase III of the study, which aims to bring back participants for a follow-up exa...
A recent study analyzed the gut microbiomes of ethnically diverse Africans from seven populations, revealing wide ranges of microbiome profiles. The researchers found that while there were differences between industrialized and non-industrialized populations, there were also unexpected similarities between groups.
A new study published in the Journal of Clinical Oncology highlights gaps in attitudes, knowledge, and practices towards LGBTQ patients among oncologists. The research identified a need for education and training on LGBTQ-related issues to improve care for this patient population.
A new Ohio State University study found that adhering to heart health guidelines can lower the risk of developing diabetes by 70% over 10 years. Researchers analyzed data from 7,758 participants and discovered that those with normal blood glucose levels who met four or more guideline factors had a significant reduction in diabetes risk.
A state-by-state analysis reveals that melanoma survival rates differ substantially across the US, with states having more practicing physicians and higher percentage of Caucasians experiencing lower survival rates. The study highlights the need for targeted approaches to improve care and reduce deaths associated with melanoma.
Philip Uri Treisman will receive the Yueh-Gin Gung and Dr. Charles Y. Hu Award on January 17, 2019, for his leadership in strengthening math education and promoting equity for historically underserved groups.
Researchers have determined general population quality of life normative data for 15 individual countries, allowing for regional comparisons and valid QLQ-C30 score interpretation. National differences in quality of life scores were found, with respondents from Austria and the Netherlands reporting higher scores.
A study published in PLOS ONE finds that lay provider HIV testing is an effective way to reach people at risk of HIV who have never been tested or test infrequently. The approach resulted in a high ART initiation rate of 91% and higher HIV positivity rates compared to facility-based testing.
A team of researchers discovered that APOL1 risk variants, previously known to affect African and African American populations, are also found at appreciable frequencies in Caribbean and Latin American populations. This finding could help physicians tailor treatment more closely to their needs through precision medicine.
A study of 1,500 women found that cesarean delivery was associated with lower risk of stress urinary incontinence and overactive bladder compared to spontaneous vaginal delivery. Operative vaginal deliveries, such as those using forceps or vacuum-assisted, were linked to higher risk of anal incontinence and pelvic organ prolapse.
Researchers will assess bone strength and nutrition among men and women in the Boston area to develop interventions for preventing bone loss and fracture risk. The study aims to provide insight into the impact of advanced glycation end products (AGEs) on bone health.
A study by University of Kansas professors finds that most people overestimate the number of US gun owners, with 75% of respondents estimating more than 50% own firearms. This overestimation could influence gun policy attitudes.
Preliminary findings from the Health Effects Institute's Energy Research Committee reveal potential exposure pathways to residents near UOGD operations. The literature review identified associations between UOGD and perinatal effects, asthma, cancer, hospitalizations, and self-reported health symptoms.
The study found that non-US-born healthcare professionals made up a significant proportion of the workforce, with 16.6% not born in the US and 4.6% being noncitizens. Non-US-born professionals were most prevalent in certain fields like medicine, dentistry, and nursing.
Researchers analyzed obsidian samples from various Neanderthal sites and found that common tools originated from specific sources. The study suggests a developed social network between groups of people from different regions during the Upper Paleolithic period.
A national data resource, the Sentinel Initiative, has been instrumental in advancing medical product safety. Partnering with over 200 health system leaders, it uses a distributed network of electronic health data from 18 health plans and hospital systems, covering >100 million people.
A recent study published in JAMA Pediatrics found that opioid prescriptions for children and adolescents have been steadily decreasing since 2012. The analysis of data between 2004 and 2017 showed a significant decline in outpatient opioid prescription rates, with a notable decrease in hydrocodone bitartrate prescriptions.
Research found that individuals with diabetes who switched to high-deductible health plans experienced delays in seeking care for symptoms of blood vessel diseases, including cardiac chest pain and transient ischemic attacks. The study suggests that increased out-of-pocket costs lead to changes in healthcare behavior.
A pilot program in rural New Mexico promoted patients' active involvement in their daily care, leading to modest improvements in clinical measures. The intervention also showed significant benefits in mental health quality of life and reduced CKD risk factors.
A study by Stanford University researchers found that four Himalayan populations with different dietary histories have distinct gut microbiome compositions. The findings suggest that changes in human lifestyle can occur within a lifetime and may be driven by dietary factors.
Researchers uncovered unprecedented details about the ancestry of people in Central and South America, revealing a key link between Clovis culture-associated individuals and the oldest inhabitants of Chile, Brazil, and Belize. A continent-wide population replacement began at least 9,000 years ago, reshaping how researchers view Early H...
A comprehensive study of ancient American genomes suggests a highly complex peopling of the continent, with rapid and uneven expansion of populations. The analysis identifies new genetic groups and reveals adaptations to high-altitude environments in South America.
A study of ancient DNA from Central and South America has revealed two previously unknown genetic exchanges between North and South America, including a continent-wide population turnover. The findings suggest that the Clovis culture had a major demographic impact further south than previously thought.
Researchers uncovered genetic adaptations in ancient Andeans, including cardiovascular modifications and a starch-digesting enzyme variant, allowing them to thrive in the harsh environment. The study suggests that these adaptations enabled highlanders to survive European contact with less population decline than lowlanders.
A study of ancient DNA from 49 individuals in Belize, Brazil, and the Central Andes reveals that most Central and South American ancestry originated from at least three different streams of people entering from North America. The research also detected two previously undocumented genetic exchanges between North and South America.
Ancient Andean populations adapted to high-altitude environment with distinct genetic changes, including a co-evolution between the potato and humans. The study suggests that these adaptations allowed them to thrive in extreme conditions.
A recent study published in Current Biology found that orangutans are critically endangered and their numbers have not increased as reported by the Indonesian government. The research highlights the need for a new conservation approach given the ongoing decline of orangutan populations.
The practice of solitary confinement has been shown to alter brain structures and behaviors, increasing the risk of depression, anxiety, and post-traumatic stress disorder. As social isolation becomes a growing problem in the US, scientists and experts are exploring ways to mitigate its effects.
A study by V. Wendy Setiawan and colleagues found that cancer mortality rates among Latinos in the US increase with each successive generation born in the country. The highest risk was observed among third-generation U.S.-born Latinos, followed by second- and first-generation immigrants.
The Tsimane's high-carbohydrate and protein-rich diet with low fat intake is associated with low cardiovascular disease risk. Despite the lack of dietary diversity, their daily food intake provides a balanced nutrient profile, highlighting the importance of adopting similar eating habits to mitigate the effects of Western diets.
A nationwide network study has found a small association between early antibiotic exposure and weight gain in young children. The research, published in Pediatrics, suggests that antibiotic use at less than 24 months of age may lead to slightly higher body weight at 5 years of age.
A new center will recruit and train junior scientists to study Alzheimer's disease in Native populations, with a focus on American Indian, Alaska Native, and Pacific Islander investigators. The center aims to fill knowledge gaps and promote prevention and treatment to reduce health disparities.
The Utah Cancer Registry will continue to collect high-quality data on cancer patients in Utah for the next 10 years. The funding will support research aimed at preventing cancer and prolonging lives of those diagnosed with the disease.
A new approach to genetic analysis identifies novel associations between genetic variants and ecological zones, replicating previously known associations with environmental variables. This study paves the way for further investigation into environmental factors and genomics, aiming to address unequal representation in clinical genomics.
The study found that Andean populations adapted to agriculture and high-altitude environments differently from other global populations. They experienced significant population reduction after European contact, while also showing selection for immune-related genes.
A new study finds that US tornado frequency has increased in the Midwest and Southeast over the past four decades, closing the gap with traditional Tornado Alley. The trend is significant for understanding future tornado exposure and damage.
Scientists are working on technologies to collect water from the air, which could help alleviate global water shortages. Researchers have developed various approaches, including fog-harvesting systems and liquid desiccants, that can reduce costs and scale up production.
Research from mainland China, Hong Kong, and Taiwan reveals a significant preference for cesarean delivery among women, with rates exceeding 30% in these regions. The primary reasons cited are the fear of pain during labor, antagonistic relationships with healthcare providers, and concerns over deteriorating quality of care during birth.
A study found that Roux-en-Y gastric bypass surgery patients experience higher peak alcohol concentrations and slower alcohol elimination compared to pre-surgery. This suggests a steady increase in alcohol consumption among post-surgery patients, highlighting the need for improved screening tools.
Facial scans aim to identify Phelan-McDermid syndrome in children by analyzing characteristic flattening and brow shape. This could enable quicker diagnoses and better treatment options for affected families.
A study found that non-VA healthcare providers are uncertain about how to care for veterans due to limited knowledge of resources and coordination problems. Despite the need to identify health conditions related to military service, many providers fail to ask about veteran status.
A study found that a gene variant commonly associated with Type 2 diabetes may also increase the risk of being lean, contradicting common assumptions about obesity and diabetes. Researchers analyzed data from over 9,000 Hispanic Latinos and used complex modeling to estimate the odds of developing Type 2 diabetes across time.
A new study by Drexel University researchers found that Medicaid expansion reduced uninsurance rates for noncitizens from 70% in 2010 to 54% in 2015. However, disparities persisted between noncitizens and native citizens, with growth in the disparity observed between states that expanded and those that did not.
A study by Yale physicians found that minority residents experience daily bias and microaggressions, as well as being asked to serve as 'ambassadors' for diversity. The researchers emphasize the need for proactive efforts to promote diversity and inclusion in residency programs.
A new study models the impact of PCBs on killer whale populations, finding that high concentrations in key regions could lead to collapse within a century. The model simulates accumulation and transfer of the chemical to offspring, tying population size and sustainability to proximity to PCB production.
A UC Riverside-led study will focus on alcohol use disorders in Pacific Islander young adults, exploring factors that contribute to misuse and developing culturally tailored prevention strategies. The research hopes to gain a deeper understanding of the issue and inform effective interventions.
Research analyzed data from 500,000 observations at 5,000 sites in North America to find the main cause of amphibian decline. The study found that 3.4% of species are disappearing annually, with declines occurring since the 19th century.
A new study published in JAMA Network Open found that perfluoroalkyl and polyfluoroalkyl substances (PFASs) are associated with increases in weight, but exercise and diet may reduce the obesogenic effects of these environmental contaminants. Lifestyle changes can fight the obesogenic action of PFAS.
A study on inequalities and health among foreign-born Latinos in rural borderland communities found that population is vulnerable to high stress negatively impacting mental and physical health. Historical factors such as oppression of farm labor and current practices like racial profiling contribute to low social status, employment ins...
A new study published in Preventive Medicine found that annual wellness visits significantly increase the delivery of preventive services among the elderly population. The research revealed that participants with an AWV were more likely to undergo screenings for prostate cancer, influenza vaccine, and other recommended services.
A new study has revealed a significant rapid increase in growth across populations in Thailand, China and Vietnam 4,000 years ago. The researchers used human skeletal remains to measure prehistoric population growth and found a second subsequent rise in the Iron Age.
Researchers found that counties with higher Hispanic populations faced more economic disadvantages, lack of access to quality health care, and language barriers. This led to higher mortality rates from cardiovascular disease among both Hispanics and non-Hispanic whites.
Scientists at UMass Amherst have published the first-ever whole genome of the Canada lynx, a key conservation tool for studying evolution, disease, genetics and habitat connectivity. The release provides critical information on genetic health, demographic history and adaptive variation to inform wildlife management and policy decisions.
Transradial access has emerged as a preferred option for patients presenting with acute coronary syndromes, offering lower vascular and bleeding complications and reduced mortality rates. The study reviews the current evidence supporting transradial access across various patient populations.
A study by UCLA researchers found that California's minority population contributes to the state's relatively low death rate, despite high poverty and lack of insurance rates. The state's death rate from all causes was 619.1 per 100,000 population in 2016, lower than the national average.
A new smartphone-based research platform has been developed to recruit a large and diverse population of pregnant women for a study. The platform, built using Apple's ResearchKit technology, was embedded into the popular WebMD Pregnancy app and connected researchers with over 1.6 million potential participants.