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.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
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.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
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.
The MERLIN TIMI-36 study found that ranolazine reduced recurrent ischemia but not cardiovascular death or heart attack in patients with non-ST elevation acute coronary syndromes. The study provided new safety data on the drug's long-term use in high-risk patients.
Hispanics are the fastest growing minority population in the US, with socioeconomic and lifestyle differences contributing to preventable cancer deaths. A global initiative on cancer education and early detection could reduce mortality rates among this population.
The number of spinal cord injuries among senior citizens has increased significantly over the past 30 years, with admissions by geriatric patients increasing five-fold. Mortality rates are also higher for elderly patients, with approximately eight times the mortality rate as younger patients.
Current Congressional proposals could significantly reduce the number of uninsured Americans and decrease overall healthcare expenditures. Representative Stark's AmeriCare proposal would cover nearly all of the uninsured as well as strengthen employer-based health insurance, reducing overall health spending by $60.7 billion.
A UCSF policy expert proposes a hybrid single-payer plan to provide universal healthcare, covering catastrophic accidents and chronic illnesses. The plan aims to improve equity and efficiency by incorporating aspects of both single-payer models and PPOs.
An estimated 60 million American adults are at high risk of vision loss due to various factors such as age, diabetes, and income level. Only half of the high-risk population visited an eye doctor in the past year, emphasizing the need for better access to preventive eye care services.
A new study by the American Heart Association found that Hispanic women have a similar heart disease risk to Caucasian women who are about a decade older. This challenges the long-held belief that Hispanic women have less heart disease than Caucasian women.
A USC study found that Healthy Kids coalitions in 28 California counties linked 85,000 kids with health insurance coverage. The success of these coalitions was attributed to diverse stakeholder groups and strong leadership.
A national study estimates that approximately 1 in 4 U.S. females between 14 and 59 years old may have HPV infection, with the highest prevalence among younger women. The study also found a significant trend for increasing HPV prevalence with age, followed by a decline through 59 years.
A study identified pulse pressure as an important predictor of atrial fibrillation development, with increased stiffness associated with higher risk. The research found that a 20 mm Hg increase in pulse pressure was linked to a 34% increased risk of developing AF.
A new model developed by Arizona State University researchers predicts patterns of urban sprawl and their implications for natural systems and quality of life. The model aims to provide decision-makers with insights to plan growth that minimizes negative environmental consequences and protects the well-being of city-dwellers.
Research from the University of Michigan confirms environmental justice scholars' claims that hazardous waste facilities are concentrated in poor, minority neighborhoods. The study found demographic changes occurred before facility siting, contradicting the 'people came first' argument.
New research reveals that the US crime rate declined dramatically in the 1990s, falling 40% across cities and states. Policing improvements, including increased workforce and aggressive tactics, are credited as key factors in this unexpected drop.
A study found significant disparities in colon cancer screening practices by ethnicity, sex, age, education and income level among Medicare patients. Approximately 18.3% of the sample population had been screened for colon cancer during the study period.
A recent study by the University of Missouri-Columbia found that Hispanic male immigrants prioritize traditional family values and 'familismo' when making decisions about family planning. The research recommends using this cultural concept to encourage open communication and safe-sex practices among couples.
A new study finds that immigration has contributed to declines in interracial marriages in the US, particularly among Hispanic and Asian Americans. Education plays a key role in defining who participates in interracial marriages, with highly educated individuals more likely to cross racial lines to marry. African American intermarriage...
First- or second-generation immigrants make up a disproportionate high percentage of Black student population at U.S. universities, with selectivity increasing proportionally. Despite this, Black immigrant students perform similarly to native counterparts in academic performance.
A new unified score, ABCD², has been developed to predict stroke risk within 2 days of TIA more accurately than existing scores. This improvement can help guide clinical decisions and optimize secondary prevention strategies.
Researchers discovered a new genetic variant SORL1 associated with late-onset Alzheimer's disease. The gene is linked to an increased risk of toxic amyloid beta peptides in the brain, leading to Alzheimer's disease.
A new study found congenital heart disease prevalence increased by 85% in adults and 22% in children between 1985 and 2000. Most heart defects cause blood to flow through the heart in an abnormal way or obstruct blood flow, leading to a major public health problem.
A recent study estimates that a similar flu pandemic to the 1918-1920 pandemic could claim 62 million lives worldwide. The majority of deaths would occur in developing countries, where per capita income is lower.
A pioneering study reveals that the world's wealthiest individuals hold disproportionately large amounts of wealth, with the top 10% owning 85% of global assets. The richest countries in North America, Europe, and Asia-Pacific contribute to this concentration of wealth.
A leading expert calls for Europe to take the lead in family planning, citing its potential benefits in achieving MDGs. Despite low funding and support, family planning programmes have shown success in raising contraceptive practice and reducing fertility in developing countries.
A study published in Progress in Cardiovascular Diseases found a strong association between salt intake and obesity. Reducing salt intake was associated with a significant decrease in stroke and coronary heart disease mortality, as well as an increase in life expectancy.
New research finds that blacks in the US have a lifetime prevalence of attempted suicide of about 4 percent, comparable to the general population but higher than previous estimates. The study also reveals significant differences in suicide rates between men and women, as well as by education level and geographic region.
A study found that caesarean rates vary substantially between and within countries, with some populations having little or no access to surgical delivery. The researchers estimate that 80,000 births had an unmet need for surgical delivery, representing 15% of global maternal deaths in 2000.
A unique study published in PLoS Medicine found significant differences in street-based drug use patterns between African American and white men, with implications for tailored interventions. The research highlights the importance of understanding cultural backgrounds and motivations to improve patient access and adherence to care.
The Einstein College of Medicine has been selected to conduct a landmark study on the health status of 4,000 people of Hispanic/Latino origin in the Bronx. The six-year study will investigate various diseases and disorders affecting the Hispanic population, including heart disease, diabetes, and cognitive impairment.
The study will recruit 16,000 participants aged 18-74 and follow them over time to identify the prevalence of diseases, disorders, and conditions. It aims to understand the role of cultural adaptation and disparities in disease development.
A study found that high water temperatures and cadmium exposure severely impact oyster physiology, leading to increased energy demand and reduced oxygen supply. Oyster populations are already declining due to environmental stressors like overfishing, disease, and poor water quality.
A new study by the American Academy of Family Physicians recommends a 39% increase in family physicians to address the growing health care needs of Americans. The report asserts that without reform, millions will struggle to access high-quality primary care.
Researchers identified eight distinct regions in the US with varying life expectancies, with gaps between best-off and worst-off groups exceeding 15 years. Chronic diseases and injuries were found to be major contributors to these disparities.
Nearly 80% of US organizations engage in employee surveillance, sparking concerns over civil liberties. The USA PATRIOT Act's implementation has led to widespread monitoring, with many exceptions allowing unchecked workplace surveillance.
A new study published in Annals of Neurology found that Mexican-Americans are more likely to suffer another stroke in the first two years after living through one, and have a significantly higher risk of dying from it. The researchers emphasize the importance of secondary prevention measures for this population.
A Purdue University study found the Wabash River population of shovelnose sturgeon to be stable, but with concerns over low young fish numbers and potential for population decline. The research informs size and catch limits on the fish set to begin next summer.
A new study finds that African-Americans are more likely to cohabit with and marry whites than black immigrants from the Caribbean and Africa. Interracial marriages among different racial groups remain low, but cohabitation rates are higher.
Researchers found that symbiotic fungus reproduces sexually and disperse independently of ants, contradicting long-held theories. The fungi's ability to cross geographical boundaries allows them to intermingle genes with mainland populations.
According to a study published in The Lancet, heartburn is more common in Western populations compared to non-Western populations. Lifestyle factors such as obesity and smoking contribute to the development of gastro-oesophageal reflux disease (GORD), which can lead to significant economic burdens.
A Mailman School of Public Health study reveals that even low doses of arsenic in drinking water can increase the risk of skin lesions. Researchers found that participants exposed to well water with arsenic concentrations as low as 50 ug/l were at higher risk, particularly men and those with normal body mass index.
A new study found that HIV infection rates among young non-Hispanic blacks are significantly higher than other racial groups, with a rate of 4.9 per 1,000 compared to 0.22 for all other races. The study suggests that segregation and differences in sexual networks contribute to the disparity.
Rates of hip bone loss increase with age among white and non-white men, particularly those over 75. Osteoporosis in men results from declining estrogen levels, leading to brittle bones prone to fracture. The study predicts a 56% increase in male osteoporotic fractures and associated costs by 2025.
A new study reveals that Korean-American smokers often prioritize social benefits over health risks, making it difficult for them to quit. The study suggests that culturally tailored programs are necessary to address these issues, taking into account language, intent, and social dynamics within the Asian American community.
A study analyzed data from over 35,975 individuals who underwent colonoscopy without detecting colorectal neoplasia. The results showed a significant decrease in colorectal cancer incidence at 6 months (31%) and persisted for more than 10 years. A negative colonoscopy was associated with a lower risk of developing CRC.
Researchers highlight disparities in bystander CPR for Latino victims of cardiac arrest. Therapeutic hypothermia also shows promise in reducing mortality and neurological damage after cardiac arrest.
A recent study comparing the health of middle-aged Americans and English counterparts found that Americans reported significantly higher levels of diabetes, hypertension, and heart disease. The research suggests that differences in healthcare systems, social programs, and economic factors may contribute to these disparities.
A combination of interventions could be highly effective at reducing transmission in a flu pandemic, potentially saving many lives. School closure combined with antiviral drugs can halve the number of people getting ill.
Researchers found high levels of toxic contaminants in white sturgeon from areas above Bonneville Dam, leading to reduced growth and reproductive fitness. The contamination is thought to be accumulating behind dams, posing a threat to the fish's survival and ecosystem balance.
Researchers found that aging prisoners in California's prison system struggle with physical independence, with many requiring assistance with daily tasks due to age-related health issues. The study recommends modifications such as grab bars in showers and rubber mats on shower floors to improve safety for older inmates.
The US aging population is expected to double in size within 25 years, driven by demographic shifts and increased life expectancy. Higher levels of education and better health are linked to improved socioeconomic circumstances and a higher standard of living in retirement.
Researchers suggest that increasing efficiency in medical practice and directing resources to effective care can reduce costs and improve patient outcomes. Studies have shown that patients with severe chronic illnesses receive excessive physician care, which may do more harm than good.
Researchers analyzed genetic data from three distinct populations and found roughly the same number of signals of positive selection within each population. The study also identified previously known sites of recent adaptation, such as the lactase gene, which enabled the digestion of milk to continue into adulthood.
A new study suggests that Tijuana's HIV infection rate may be close to three times higher than Mexico's national average, posing a significant public health threat. The researchers emphasize the need for urgent intervention and prevention strategies targeting high-risk groups.
A longer-lived population could be a blessing for European countries with low fertility rates, but a curse for others. Anti-aging technologies may exacerbate existing inequalities, particularly in access to healthcare and distribution of resources.
Researchers developed an index to predict mortality risk in older adults, based on demographics, illnesses, and ability to perform daily activities. The 12-question form can be completed quickly by patients or medical office staff, providing valuable prognostic information for healthcare providers.
A study by Joslin's Asian-American Diabetes Initiative found that Chinese-speaking immigrants with type 2 diabetes had less knowledge of disease management and poor blood glucose control compared to English-speaking immigrants. Bilingual education improved their understanding and led to better blood glucose control in laboratory tests.
A study examining asthma rates in Hispanics found that Puerto Ricans have the highest prevalence of asthma, with 31% of school children experiencing current wheezing. The study also found significant differences in asthma rates and disease severity among Hispanic subgroups.
Research reveals that nearly 20% of U.S. adolescents and adults under 50 have low cardiorespiratory fitness, associated with higher risks of heart disease and other chronic conditions. Low fitness is more common in females, non-Hispanic blacks, and those with higher body mass index and waist circumference.
Researchers from Mayo Clinic found no association between patent foramen ovale (PFO) and increased risk of stroke. PFOs are common congenital conditions that may be 'innocent bystanders' rather than causative factors, according to the study.
A study published in Gastroenterology found that nearly 2% of the general population has Barrett's esophagus, a condition linked to increased risk of esophageal cancer. The study highlights the need for screening and awareness among patients and physicians.
The Lancet highlights the need for validated research involving homeless people to expand and improve healthcare services. Addressing this data gap is crucial to sharing health advances with society as a whole.