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.
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 American College of Physicians recommends prioritizing funding for effective public health programs and investing in the nation's public health infrastructure. A strong public health infrastructure is essential for preparing for and responding to public health emergencies.
A study found the diagnostic yield of colonoscopy for melena after a nondiagnostic upper endoscopy to be 4.8 percent, significantly lower than previously reported. The rate of therapeutic intervention was also very low at 1.7 percent, suggesting that most procedures are diagnostic-only and can be performed on an elective basis.
A new study using surname data reveals China's population structure has been shaped by both genetic drift and large-scale migration. The research found the highest levels of surname diversity at the Yangtze River basin, which is believed to be due to multiple historical migrations.
A study by North Carolina State University has found that feral pigs in the state are exposed to Brucella suis, a harmful bacteria that can be transmitted to people through unsafe butchering and consumption of undercooked meat. The bacteria can also spread in pig populations, causing abortions in affected swine.
Researchers used NEWGARDEN software to determine optimal founder placement and dispersal for maximum population growth and genetic diversity. The study found that planting trees 1,500 meters into a preserve can result in up to 247% more trees in 101 years' time.
A new study suggests that people save only about half of their inherited wealth, with the remaining amount spent, donated, or lost. This decision has significant implications for families, financial markets, and the economy.
A new research survey found that the Bangladeshi community in NYC experiences significant barriers to diabetes care, including low English proficiency and limited awareness. The study also showed a high willingness among respondents to participate in community health programs for prevention and care.
A new study describes innovative efforts to increase colorectal cancer screening rates among Alaska Natives, resulting in a 55% statewide screening rate. The pilot projects included training mid-level providers, itinerant endoscopy services, patient navigator services, and database creation to identify high-risk individuals.
Tick populations are spreading across Canada due to changing temperatures, posing a significant risk of Lyme disease. The study predicts that 80% of eastern Canada will be at risk by 2020, with warmer temperatures allowing ticks to colonize new areas.
A new review suggests that taking selenium supplements can increase the risk of developing type-2 diabetes in people who already have enough selenium in their diet. The study found that a large proportion of the US population has adequate selenium levels, making supplementation potentially harmful.
A recent study reveals that human population is a primary factor in exotic plant invasions in the United States, with many non-native species spreading considerable distances and crowding out native plant populations.
Dr. Travis Franklin's studies found that Native Americans, especially young males, face harsher sentences than whites, African Americans, and Hispanics in federal courts. In another study, he discovered that Asian Americans are the least likely to be incarcerated and receive shorter sentences in state courts compared to other racial gr...
A rare fungus has been identified as the cause of mass deaths among eastern massasauga rattlesnakes in southern Illinois and similar cases in the northeast US. The fungus, Chrysosporium, is not normally seen in free-ranging animals but has been linked to disease in captive reptiles.
Researchers found that unrelated individuals may be mistaken for genetic relatives due to population-specific genetic differences. This is particularly concerning for individuals of Asian or Native American descent, where false familial identification is more likely.
A systematic review of literature found a significant disparity in motor vehicle-related deaths among American Indian and Alaska Native populations. The study identified multiple risk factors, including rural living, alcohol use, and pedestrian involvement in crashes, but lacking effective interventions to improve pedestrian safety.
Researchers found a genetic connection between Native Americans and southern Altaians, suggesting the Altai region as the potential source of the earliest Native Americans. The study analyzed mitochondrial DNA and Y chromosome DNA markers to define the founding lineages of Native American populations.
Upper GI bleeding is common and serious in dialysis patients, with rates 10 times higher than in the general population. The condition can lead to early deaths and substantial negative effects on kidney function.
A recent study published in Circulation: Cardiovascular Quality and Outcomes found that Asian-American heart attack patients received nearly the same quality of care as white counterparts, with improvements seen between 2003 and 2008. Despite this, disparities persist, including lower rates of aspirin use and smoking cessation counseling.
A nationwide tax on sugary drinks could prevent nearly 100,000 cases of heart disease and 26,000 deaths annually. The tax would also generate $13 billion in direct revenue and save the public an additional $17 billion per year in healthcare costs.
A community-based diabetes prevention project in Lawrence, MA, taught healthy food choices and reduced pre-diabetes indicators in a Latino population. Participants who received lifestyle intervention had significant weight loss and clinically meaningful reductions in insulin resistance.
The Senate Aging Committee's 50th anniversary highlights pressing issues facing older Americans, including housing, healthcare, and workforce changes. Experts advocate for policy reforms to meet the needs of an aging society, emphasizing intergenerational cooperation and inclusivity.
Research reveals a substantial increase in conduct disorder (CD) among Mexican migrant families in the US, with non-aggressive symptoms showing a higher association with migration. The study compared CD prevalence across three generations of people of Mexican origin with increasing exposure to American culture.
A study published in The American Journal of Industrial Medicine found that WTC first responders suffer from asthma at more than twice the rate of the general U.S. population, with rates doubling between 2002 and 2005. Researchers tracked 20,834 responders who received medical screenings from 2002 to 2007, comparing their results to US...
A new study by the American Sociological Association found that health disparities among young US adults have grown substantially since 1980. The study suggests that as younger generations grow older and replace previous cohorts, the gap between healthy and unhealthy individuals will continue to widen.
Research reveals a growing health disparity among US young adults born since 1980, peaking at middle age before declining in old age. The study attributes the widening gap to factors like income inequality, obesity crisis, and digital divide, which are expected to worsen as younger generations replace older cohorts.
A new study by the American Psychological Association found that perceived racism can cause mental health symptoms similar to trauma in black Americans. Researchers analyzed 66 studies and found a robust link between racism experiences and self-reported depression and anxiety.
Research by University of Cincinnati professor Leila Rodriguez examines business strategies and networking patterns among Nigerian immigrants in New York City. The study reveals that these entrepreneurs adapt African business models to Western strategies, maintaining social distance with suppliers, customers, and employees.
A new model estimates that the probability of a woman with screen-detected breast cancer surviving is likely below 10%, contradicting previous claims. The study's findings suggest that the benefit of screening mammography may be lower than previously thought.
New Zealand's strategic approach to health care, from patient to provider and community, has enabled the development of integrated care services. The country's experience with electronic medical records and health IT systems has helped make it a leader in overall quality of care delivery.
A study by Rui Yao found that Chinese-American households hold few consumer debts outside of mortgages, with only 5% having auto loans and 3% other types. Higher-income households were more likely to have some consumer debt, reflecting cultural differences in credit usage.
Researchers suggest that transfusion may not be the best treatment for hospitalized patients with anemia, as the age of stored blood may contribute to negative effects. Studies found that transfusions do not always restore levels of sphingosine 1-phosphate (S1P), a lipid mediator required for maintaining blood vessel integrity.
Researchers have discovered genetically engineered canola populations growing outside of established cultivation regions along roadsides across North Dakota. These 'escaped' plants accounted for 45% of total roadside plants sampled and persisted from year to year, raising questions about oversight and monitoring protocols.
A new study using genetic information explores the effects of continental axes and climates on human migration and adaptation in the Americas. The research suggests that the north-south orientation of the American continents slowed the spread of populations and technology, compared to the east-west axis of Eurasia.
A study using genetic analysis found that technology spread more slowly in the Americas than Eurasia, with continental orientation playing a key role. The slow diffusion of crops and technologies in the Americas can be attributed to lower latitudinal gene flow between populations.
Marriages between African Americans and whites increased rapidly between 1980 and 2008, but the total number remains smaller than those between whites and other groups. The study found that education played a key role in bridging racial gaps, with highly educated blacks and whites more likely to intermarry.
A study by USC researchers suggests that high dietary intake of calcium causes prostate cancer among African-American men genetically good at absorbing the mineral. Men with poor calcium absorption were less likely to develop advanced prostate cancer.
Marriages between black and white populations have continued to increase, outpacing unions between whites and other ethnic groups. The study reveals that highly educated blacks and whites are more likely to intermarry, indicating a blurring of racial boundaries.
Homeless seniors in Boston experience high rates of functional decline, falls, frailty, and depression compared to the general population. Many conditions are easily treatable if detected, suggesting early screening is crucial for clinicians caring for homeless adults.
A study by Johns Hopkins Medicine found that medical students' unconscious biases towards race and social class do not directly affect their treatment decisions. Despite this, the researchers argue that training and experience may be reinforcing negative stereotypes, highlighting the need for interventions to address racial bias in hea...
Researchers developed a typology to guide cost-effectiveness analysis of cervical cancer screening and vaccination strategies. They found that targeting racial subgroups with greater inequalities improved health outcomes, reduced cancer incidence, and was more effective and less costly than current methods.
A study published in The Lancet found that World Trade Center-exposed New York City male firefighters are 19% more likely to have cancer compared to their non-exposed colleagues, as well as a comparable sample of the general population. The study analyzed data from 9853 male firefighters and found increased cancer incidence rates in WT...
A study using mobile phone positioning data tracks population movements after disasters, providing more accurate estimates than ad hoc methods. The method can be used for close to real-time monitoring of population movements during outbreaks, leading to better allocation of relief supplies.
Researchers found a marked decline in Atlantic salmon populations in Spanish rivers, particularly in Asturias, due to increased fishing effort and higher temperatures. The study suggests that conservation measures should be implemented to protect these populations, which are experiencing cyclic fluctuations.
Research finds that active participation in civic groups and organizations is declining at a rate greater than the increase in checkbook memberships. This shift towards passive participation may be due to changes in community design, longer commutes, and increased television time, posing potential threats to democracy.
A new population model explains Atlantic herring population trends driven by haddock egg predation. The study suggests that when haddock populations are high, conservative fishing efforts can trigger severe declines in herring populations due to predation on eggs.
Researchers at Johns Hopkins University discovered that the shape of jaw bones in human populations is influenced by both genetic and environmental factors. The study used archaeological jaw bones from two different regions to determine how much of the mandible's shape is plastic, a response to diet, and how much is genetic.
A study by UCLA researchers found significant disparities in healthcare spending between Latinos and whites, with Latinos paying out-of-pocket more often. The gap narrows over time for naturalized citizens but remains constant for non-citizens.
The Gerontological Society of America recommends including ethnically diverse populations in aging research. Minority participants are key to developing recruitment and retention methods that address unique cultural and sociopolitical challenges.
Researchers found that stress testing with MPI was unnecessary for most patients undergoing pre-operative workup for bariatric surgery. The incidence of abnormal findings on MPI was only 5%, and perioperative cardiovascular events were extremely low despite high risk factors for coronary artery disease.
A study of 40 fast-food and sit-down restaurants found that overall stated calories were accurate, but individual foods had significant inaccuracies. Foods with lower calorie contents were often understated, while those with higher calorie contents were overstated.
Houston's population growth was the highest in the US, with a whopping 1.2 million new residents added over the past decade, outpacing New York and Chicago combined. The city's growth can be attributed to its proximity to Latin America, business-friendly policies, low cost of living, and significant job growth.
Research shows significantly higher osteoarthritis (OA) incidence rates among US military personnel compared to the general population, with differences increasing with advancing age category. Black service members have higher OA rates than white military personnel or those in other racial categories.
A recent study conducted at Loma Linda University found that black members of the Seventh-day Adventist Church have a significantly better quality of life compared to the average American. They reported lower rates of smoking, drinking, and meat consumption, as well as higher rates of vegetarianism and water consumption.
A Stanford study reveals that tobacco companies increase advertising and lower sale prices of menthol cigarettes in neighborhoods near California high schools with larger populations of African-American students. This 'predatory' marketing pattern aims to lure young African Americans into becoming smokers.
A University of Exeter team monitored loggerhead turtles in the US Atlantic Ocean, finding they rarely leave the USA or continental shelf. The study highlights the value of satellite tracking for predicting migrations and directing conservation efforts.
African-Americans have a genetic predisposition to convert dietary PUFAs to inflammatory messengers, increasing risk for chronic diseases like cardiovascular disease and diabetes. The research highlights the importance of personalized nutrition, emphasizing that nutrients may be healthy or harmful depending on individual ancestry.
A study found that areas with higher levels of primary care physicians had modestly lower death rates and fewer preventable hospitalizations among Medicare beneficiaries. Beneficiaries in high-primary-care-physician areas had 6% lower ACSC hospitalization rates compared to low-primary-care-physician areas.
A new study found that Southern European groups can attribute up to 3% of their genetic signature to African ancestry, with mixing dating back 1,600 years. Middle Eastern groups have inherited 4-15% African ancestry, and Jewish populations 3-5%.
A 440-year-old document reveals that the Andean population in Peru bounced back briefly after initial Spanish invasion but declined due to repeated disasters, rigid administration and epidemic disease. The census data challenges long-held assumptions about indigenous population decline in the Americas.
Researchers found that heart-related hospitalizations among Medicare beneficiaries decreased from 1998 to 2008, with coronary artery disease and heart attack seeing significant declines. However, cardiac arrhythmia hospitalizations increased, while chronic bronchitis hospitalizations rose.