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.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
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 team of researchers found that current harvest levels for gray wolves in the Northern Rocky Mountains have led to decreased survival and reproduction rates. The study suggests that policies regulating wolf hunting are not sustainable and should be revised to prioritize population growth.
Researchers found that wider in-row spacings and row configurations with three- or four-row setups result in higher yields and better marketable cabbage heads. In-row spacings between 30-35 cm are recommended for early plantings, while 25-cm spacing is more productive for later plantings.
A recent study suggests that eliminating food deserts may not lead to improved dietary quality in the US. Instead, initiatives like education and changes to food assistance programs can have a greater impact on reducing disparities in diet quality. The authors argue that addressing these disparities is crucial for improving public health.
Novel antiviral therapies for hepatitis C have transformed treatment, effectively reducing HCV in over 90% of cases. Enhanced screening and treatment efforts could virtually eliminate the disease within a decade by increasing treatment rates four-fold.
A recent study by the CDC found that US adults now smoke at a rate of 17.8%, the lowest since 1965. However, smoking rates remain high among three groups: American Indians, LGBT individuals, and those with mental health issues. The largest non-profit quitline in the US is hiring Native coaches to better serve these communities.
A study of over 14,000 adults found those born with congenital heart disease have a 3.5 times higher risk of heart attack before age 50 and twice the risk after. Mortality rates are also significantly higher, with some cases showing a mortality rate four times that of the general population.
A new study suggests that lowering systolic blood pressure to 120 mmHg could benefit up to 16.8 million Americans, who meet specific eligibility criteria for intensive blood pressure management. The study found that this lower target could have a significant impact on reducing risk of heart failure, heart attack, and death.
A study published in JAMA Network found a small increased risk of childhood-onset epilepsy among Danish children with hospital-diagnosed pertussis infections. Researchers identified 90 cases of epilepsy in the pertussis cohort, compared to 511 in the general population.
The study found that African immigrants experienced discrimination and stigma linked to the Ebola virus, leading to stress and hardships. The researchers emphasize the need for research on infectious diseases affecting immigrant communities in the US.
Two infants buried in Alaska, 11,500 years ago, share genetic material with Native Americans in North and South America. The study supports the Beringian standstill model, suggesting that Native Americans descended from Asian migrants who spent time in Beringia before moving to the Americas.
A new study shows a decline in postdoctoral researchers in the US, with a 5.5% loss from 2010-13, despite increasing PhD students. This decrease affects men and women, as well as US citizens and foreign postdocs.
Researchers reconstructed population history of New York City using genetic data, ancestry information, and electronic health records. They identified hidden patterns of relatedness among Puerto Rican residents with Steel syndrome, a genetic condition characterized by short height and spinal issues.
A study of 1.17 million patients on dialysis found that tallness was associated with higher premature mortality risk and shorter life spans, especially in white, Asian, and American Indian/Alaskan native patients. The association persisted even after adjusting for concurrent illness and care differences.
Research suggests that universal TB screening of immigrants to Canada is costly and inefficient, with most cases detected from a small number of high-risk countries. The study recommends targeting screening on immigrants from countries with high TB rates, rather than universally.
Researchers attached geolocators to Prothonotary Warblers in Louisiana, tracking their migration patterns that spanned at least 5,000 miles across seven countries. The study provides new insights into the birds' migratory behavior and wintering locations.
A recent study by Raymond Fisman et al. reveals that the wealthy and educated elite tend to be less fair-minded and more inclined towards efficiency when distributing resources. The research found that those who prefer efficiency are more likely to work in the corporate sector, which may contribute to the muted policy response to incre...
Researchers found that nearly 50% of Asian Americans with diabetes remain undiagnosed, with the highest prevalence in Hispanic Americans at nearly 23%. The study highlights the need for increased education and testing efforts among this population.
A new study by UT Dallas refutes the notion that NFL players are more criminal than the general population. The research found that the overall arrest rate for the general population was nearly twice as high as the rate for NFL players from 2000 to 2013.
A recent study by University of Kansas researchers found that darker skin color negatively impacts male immigrants' employment chances, particularly for Asian males. In contrast, female immigrants face different outcomes, with lighter or darker skin not affecting their job prospects.
The use of statins for primary prevention in patients without vascular disease older than 79 increased between 1999 and 2012. The proportion of patients using atorvastatin peaked in 2005-2006 and declined, while simvastatin usage rose after 2007-2008.
A new study published by the Society for Personality and Social Psychology found that white American citizens who believe in a common group identity are less racist toward immigrants and more likely to donate their time and money to help them integrate. This research suggests that acceptance of immigrants as equal members of society hi...
The world population is expected to surpass 11 billion people by 2100, driven primarily by Africa's rapid population growth. The UN projects that Nigeria will have a 90% chance of exceeding 752 million people in 2100, with the US population projected to reach 450 million by century's end.
Two leading public health scholars, Sandro Galea and Ronald Bayer, warn that the US emphasis on precision medicine may distract from broader investments to reduce health inequities and address social factors. They cite a 2013 report by the National Research Council and the Institute of Medicine, which found that health is determined by...
The University of Chicago Medicine has contributed to the Illinois Transplant Fund, providing financial assistance for organ transplants to qualified uninsured residents. The fund, launched by the ITF, offers insurance premium support and financial help to patients in need.
A study of ancient and modern genomes clarifies the history of Native American migration to the Americas, tracing their ancestry back to a single late Pleistocene event. Genetic analysis reveals two distinct populations: Athabascans and northern Amerindians, diverging from shared ancestors at around 23,000 years ago.
A new study has analyzed data from Great Britain, the US and Sweden to profile human population growth and its consumption of energy. The research found that energy use generally outpaced population growth over the past few hundred years.
A new study has found that inbreeding is not the primary cause of Colorado's declining bighorn sheep population. Genetic analysis suggests that high ram migration and gene flow between herds have maintained healthy levels of genetic variation, rescuing the population from a genetic bottleneck. However, other factors such as nutritional...
A new study reveals that young people with autism are struggling to find and keep jobs, with only 47% securing employment after receiving vocational services. Experts emphasize the importance of vocational counseling, guidance, and coordination between high schools and rehabilitation systems to support this growing population.
A new genomic analysis pinpoints the arrival of the first Americans to Siberia around 23,000 years ago, with subsequent migrations leading to distinct populations in North and South America. The study also reveals genetic admixture from East Asians and Australo-Melanesians, suggesting limited isolation from the Old World.
Ancient and modern genetic data reveal that Native American ancestors entered the Americas as a single wave approximately 23,000 years ago. The research also shows that ancestral Native Americans split off into two branches around 13,000 years ago, coinciding with glacier melt and the opening of routes into North America's interior.
A genome-scale study reveals that all present-day Native Americans descended from a single migration wave into the Americas, arriving no earlier than 23,000 years ago. The ancestral population diversified into two basal branches around 13,000 years ago.
A recent genetic study has uncovered a previously unknown wave of migration to the Americas, linking Native Americans in the Amazon to indigenous people in Australasia. The research suggests that Population Y, an ancestral group from the ice sheets, contributed to the DNA of today's Amazonians.
A large-scale genetic study has discovered that the regions of the genome underlying inflammatory bowel disease (IBD) are consistent across diverse populations. The study included nearly 10,000 DNA samples from East Asian, Indian or Iranian descent and an existing set of 86,640 samples drawn from Europe, North America and Oceania.
Researchers have developed a new method to compare and identify processing sweet corn hybrids with improved crowding stress tolerance (CST), enabling growers to maximize yields and profits. The approach involves growing hybrids at higher plant populations than usual, allowing for more efficient comparison of CST among different hybrids.
A Vanderbilt University Medical Center study analyzed data from 63,109 patients with acute traumatic spinal cord injury and found a significant increase in incidence rates among men aged 65-74. Most patients regain some function after an injury, but many require lifelong healthcare services.
Biologists from Penn University analyzed genetic data to track blacklegged tick migrations. The study reveals that ticks moved into new areas through short-distance local moves, shedding light on patterns of disease spread and controlling strategies.
New studies reveal that hypertensive individuals experience higher rates of cognitive decline compared to non-hypertensive populations. Additionally, African Americans with hypertension bear a disproportionate burden of disability and mortality associated with the condition. These findings underscore the importance of effective managem...
A new study reveals that adults in the US provide over a billion hours of unpaid caregiving every week, primarily provided by women. The researchers project a rise in the need for such care, with the value of unpaid care projected to increase to $839 billion by 2050.
Researchers found that up to 20% of a mosquito population's genome is subject to evolutionary pressures, leading to local adaptation and potential resistance to pesticides. The study provides insights into the contemporary evolution of mosquitoes and informs strategies to control populations.
A new study finds that as smoking declines overall, remaining smokers are actually less likely to smoke and more likely to quit. The study challenges the need to promote e-cigarettes as a harm reduction strategy, suggesting that current tobacco control policies have been successful in reducing smoking prevalence.
A new study on Kennewick Man's DNA reveals a close genetic link to Native American populations, particularly the Confederated Tribes of the Colville Reservation in Washington. The findings challenge a previous study that suggested a connection to indigenous Japanese or Polynesian peoples.
A new study based on Kennewick Man's genome sequence shows that he is more closely related to modern Native Americans than to any other population worldwide. This contradicts earlier cranial morphology analyses that suggested a European or Asian ancestry, sparking controversy and legal battles over the skeleton's repatriation.
The study found that almost one-third of the U.S. population are informal caregivers, with women providing more unpaid care hours than men. Elderly people were frequently cared for by spouses, not adult children. The researchers also estimated the value of unpaid care nationwide at $691 billion in 2012.
The incidence rate of acute traumatic spinal cord injury remained relatively stable between 1993 and 2012, with a slight increase among older adults. The majority of cases were associated with falls, leading to a significant rise in spinal cord injuries among those 65 years or older.
A recent study by the NIH found that nearly 1 in 7 Hispanic/Latino adults have some form of hearing loss, with Puerto Ricans facing the highest risk. The study identified several factors contributing to this risk, including age, education level, and diabetes.
A study published in JAMA Network examines the association between genetic variants and cognitive impairment, revealing that intermediate-size copy number variations may negatively affect educational attainment. The research suggests a potential link between these genetic variants and intellectual disability.
Higher adherence to the Dietary Guidelines for Americans was associated with a 14-23% lower mortality rate from cardiovascular disease, cancer, and other diseases in a low-income population in the southeastern US. Participants with the healthiest diet had only about 80% of the risk of death compared to those with the least healthy diet.
A new study suggests that widespread diabetes screening in India using current methods could lead to massive waste of resources and unnecessary testing. The researchers estimate that only between 26 million and 37 million out of 567 million eligible individuals would meet the international diagnostic criteria for diabetes.
A new study projects that US residents' exposure to extreme heat could increase four- to six-fold by mid-century, driven by both a warming climate and a growing population. The research found that the average annual exposure to extreme heat in the US during this period is expected to be between 10 and 14 billion person-days.
A new study finds that nearly one-quarter of Americans over 65 are currently or at risk of being 'elder orphans', a vulnerable group requiring greater awareness and advocacy efforts. This population faces risks such as functional decline, mental health issues, and premature death due to lack of social support.
The Centers for Disease Control and Prevention (CDC) has launched a comprehensive public health approach to reduce the impact of traumatic brain injury (TBI). New research highlights four pillars: improving understanding of TBI's public health burden, reducing incidence through primary prevention, enhancing recognition and management o...
A rapidly expanding elderly population is projected to face significant challenges accessing high-quality cancer care in Mexico due to diagnostic delays and financial burdens. The country's aging population is anticipated to experience a 75% rise in new cancer cases by 2030.
A study found that nearly 80% of uninsured callers could schedule primary care visits, but the average cost was $160, which is unaffordable for many. Only 18% were told they could pay later, with a median payment plan of 61%. Expanding Medicaid would enable more people to afford basic healthcare.
Research suggests a strong association between short-term household debt and depressive symptoms, particularly among unmarried individuals, those nearing retirement age, and those with lower education levels. The study highlights the potential impact of debt on mental health and informs lending practices.
A new study by University of Cincinnati researchers found that the Northeast and West fared better than the Midwest and South in terms of changing socioeconomic status. Neighborhoods with higher percentages of Asians showed above-average change, while those with high numbers of blacks experienced below-average improvements.
A recent DNA study reveals that all early Eskimos migrated from Alaska's North Slope, providing the first genetic link between Iñupiat populations and their ancestral homeland. The research also suggests two major migrations to the east from the North Slope at different times in history.
A new study predicts that increased air conditioning adoption will lead to significant increases in energy consumption and strain on energy infrastructures worldwide. The authors call for action now to develop more energy-efficient and affordable air conditioners for poorer populations.
A new study reveals that monk parakeets invading Europe and North America share similar genetic patterns, indicating they originated from the same small area in Uruguay. The invasive populations have lower genetic diversity compared to native populations, which is unusual for species with successful invasions.
A new report by the Seismological Society of America estimates that 143 million Americans are exposed to potentially damaging ground shaking from earthquakes. The average long-term value of building losses from earthquakes is $4.5 billion per year, with California, Oregon, and Washington accounting for roughly 80% of losses.
A recent study by Duke-NUS Medical School researchers found an association between meals eaten away from home and high blood pressure in university-going young adults. The study, which surveyed over 500 participants, showed that pre-hypertension was prevalent in 27.4% of the population, with men more likely to be affected than women.