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 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.
Researchers found that Irritable Bowel Syndrome is linked to an overgrowth of bacteria in the gut, as well as a connection to food poisoning. The study suggests that military personnel are at a higher risk for developing IBS due to their increased exposure to gastroenteritis.
A comprehensive study of 55,000 children in South Korea found that over two-thirds of Autism Spectrum Disorder cases were unrecognized and untreated. The research suggests that autism prevalence may be higher than previously thought, particularly in non-clinical populations.
Approximately 14% of all strokes occur during sleep, preventing patients from receiving timely clot-busting treatment. Researchers estimate that around 58,000 people in the US go to the emergency department with a wake-up stroke each year.
Researchers found that current prevention and screening standards are worth the cost and may need expansion to include more of the population. Screening followed by treatment with a low-cost, high-resistance nucleoside or nucleotide is cost-effective at $29,000 per quality-adjusted life year gained.
According to a new study published in the Journal of the American Dietetic Association, many US adults are not meeting adequate calcium intake levels. The study found that median dietary calcium intake was lower in older age groups and that energy intake declined with aging.
The updated studies will provide long-term projections and help researchers identify new trends using 2010 census data. This living resource will be available online and continuously updated to inform policymakers.
Researchers studied three species of shootingstars to understand their response to global warming. They found that some species migrated while others adapted in place, with rare species exhibiting distinct genetic histories. This study provides valuable clues for predicting how plants will respond to climate change.
A new study published by NCI and CDC found a significant shift in the distribution of cancers in the HIV/AIDS population. Cases of AIDS-defining cancers decreased threefold between 1991-95 and 2001-05, while cases of other cancers increased tripled during the same period.
A UK policy aims to assess drug value using factors beyond clinical and cost effectiveness, including therapeutic innovation and societal benefits. The proposed 'value-based pricing' policy could change the way drugs are offered through Britain's National Health Service.
Researchers found that death rates within 30 days of initial hospitalization dropped by half, and one-year mortality fell by 20.6%, among U.S. veterans age 80 or older hospitalized for heart failure from 1999 to 2008. Improved outcomes were seen in the 90+ age group, where 30-day and one-year death rates decreased by 11% and 26%, respe...
The use of fibrates has increased steadily in the United States over the past decade, driven by a strong preference for brand-name products. Despite negative trial results, fibrates are still prescribed in high numbers, despite uncertain clinical benefits.
Researchers validated three salivary mRNA biomarkers (B2M, GIP2, MNDA) and three protein biomarkers (B2M, SSA, SSB) for detecting Sjogren's syndrome in the US population, expanding clinical utility of existing biomarkers.
The US healthcare system is facing a significant challenge in caring for the growing number of Baby Boomers experiencing bone fractures. A new guide aims to improve care and quality for patients dealing with fragility fractures, addressing various aspects from hospital admission to rehabilitation.
A recent study found that China's nursing home industry is experiencing rapid growth, driven by the country's aging population. However, the industry lacks adequate government oversight and regulation, leading to concerns about substandard care and poor staffing levels.
The prevalence of heavy smokers in the US decreased significantly between 1965 and 2007, with California showing a greater decline. The study found that moderate- and high-intensity smoking rates declined more rapidly in California compared to the rest of the US.
Research finds that immigrant children are more likely to live in households headed by two married parents, receiving economic and social benefits. This intact family structure helps them adapt to their new country, improving their chances of success.
The CDC has partnered with IHME to make its reproductive health survey data available worldwide, covering topics such as pregnancies, births, and contraceptive use in over 30 countries. This move aims to improve population health by providing high-quality evidence for health policy decisions.
The Lancet is publishing online abstracts from a global health conference that explores various topics, including non-communicable diseases, malaria, and health inequalities. The conference aims to advance the field of health metrics and evaluation by sharing knowledge and expertise among professionals.
A study found that colonoscopy has prevented a substantial number of deaths from colorectal cancer, but many more could have been prevented. The analysis estimated that approximately 13,800 to 22,000 colorectal cancer deaths could have been prevented in 2005.
Researchers at the University of Pittsburgh developed a new donor-liver distribution system that could lead to up to 14% more transplants annually. The proposed regions aim to better account for population differences and geographic distance to increase organ availability.
A recent study has found that bisphenol A levels in Canadians are lower than those in Americans, with children and adolescents having the highest levels. The reason for this difference is unknown, but possible factors include differences in food packaging and thermal receipt papers.
A study of 19th century Mormon polygamy found that more sister-wives led to fewer children per woman, due to a 'Bateman gradient' effect. The practice reduced the strength of sexual selection on males by 58%, bringing their reproductive success closer to women's.
The actual population trajectory is highly uncertain, with scenarios predicting a peak of 9.5 billion before stabilization or decline. Investments in family planning could reduce the number of people to 8 billion, having a beneficial impact on human welfare and environmental issues.
A study by UC Riverside researchers found that Asian Americans are perceived as less ideal leaders than Caucasian Americans, despite their higher education and competence. The study suggests that racial biases play a significant role in leadership perceptions.
Researchers have developed a new assay test that can detect minute amounts of Creutzfeldt-Jakob disease-causing prions in human blood, making it possible to screen donated blood before acceptance. This could lead to improved and earlier diagnosis for patients and a better understanding of the prevalence of the disease.
Researchers confirm waterhemp's first evolution of resistance to HPPD-inhibiting herbicides, requiring a more integrated approach to management. The development of new options and changing practices are needed to combat the increasing threat of multiple-herbicide resistant weed populations.
Research suggests that reduced exposure to seasonal cold may contribute to rises in obesity due to minimized energy expenditure and reduced body heat production. Increased indoor temperatures may also lead to a loss of brown fat, reducing the body's capacity to burn energy.
A Wayne State University study found that patients report less confusion and better health care quality when providers speak the same language. The study aimed to address language barriers in healthcare, which disproportionately affect minority populations, and suggests low-tech solutions to improve communication.
Research suggests that people with HIV are up to three times more likely to experience a stroke than those without the condition. The study found a 67% increase in stroke hospitalizations among people with HIV, despite a decline in overall stroke rates.
A significant portion of the US population lacks easy access to trauma care within an hour's drive. Vulnerable groups such as African Americans and foreign-born populations face difficulties in accessing trauma centers due to geographical constraints.
Researchers at Mount Sinai School of Medicine developed a web-based screening tool to assess Traumatic Brain Injury (TBI) in war veterans. The Brain Injury Screening Questionnaire (BISQ) is a low-cost, anonymous tool that detects symptoms such as sleep disturbances, irritability, and memory problems.
A recent study by Kansas State University professor Melinda Daniels suggests that beaver dams can create diverse river landscapes, turning single-thread channels into meadows or multichannel streams. The researchers recommend only partially removing old dams to mimic the role of beavers and restore ecosystem diversity.
Patients on dialysis face a heightened risk of sudden cardiac death from cardiovascular disease, with mortality rates as high as 43%. Research is underway to understand the connection between renal disease and cardiovascular disease, with medicinal options and dialysate prescription modification being explored as prevention methods.
A study in England found that coronary heart disease mortality rates vary greatly between local populations due to factors such as low socioeconomic status, white ethnicity, smoking levels, and diabetes. The study suggests that programs to reduce mortality should target population characteristics rather than healthcare services.
Researchers found that 98% of the US population lives within 60 minutes of a hospice provider, suggesting access is not a barrier to enrollment. However, more research is needed to determine why many patients and families avoid hospice care at end-of-life.
Countries with low risk and stable health systems have higher feasibility for malaria elimination. Latin America is in the best position to achieve this, while sub-Saharan African countries face substantial difficulties due to political instability, weak health systems, and high transmission rates.
A new study suggests that medical schools can tap into doctors' sense of mission and self-identity to increase the number of primary care physicians in medically underserved areas. Training students in underserved settings during medical school and residency can also improve their likelihood of continuing to serve those populations.
The 2010 DGAC Report highlights key features, including a strong evidence base on vulnerable subgroups like infants, children, and pregnant women. The report also emphasizes the importance of primary prevention of obesity in childhood to halt and reverse America's obesity epidemic.
The Virginia Tech team is studying the effects of the Deepwater Horizon oil spill on piping plover populations, collecting data on survival and migration patterns in oiled and unoiled areas of the Gulf. The research aims to inform restoration efforts and provide valuable insights for litigators seeking settlements for damage lawsuits.
A new study suggests that investing in colorectal cancer (CRC) screening programs targeting the pre-Medicare population could lead to significant cost savings. The research found that increased CRC screening led to lower treatment costs for individuals aged 50 and over, which would be recouped after they transitioned to Medicare at age...
The UK faces a critical care crisis with one of the lowest numbers of intensive care unit beds, leading to concerns about its ability to cope with large-scale disasters. Increasing demand driven by ageing populations and lack of effective interventions will require huge investments for high-income and poor countries.
A new study estimates that 2.5% of the US population has food allergies, with higher rates found in children, non-Hispanic blacks, and males. The research also identifies an association between food allergy and severe asthma, highlighting the need for increased awareness and monitoring of these conditions.
Experts speculate on future of H1N1 pandemic virus, predicting low mortality rates due to existing immunity in the population. The degree of immunity and potential changes to the virus will impact the upcoming influenza season.
A University of Michigan study found Native Hawaiians are more likely to suffer early death, particularly among infants and young adults. The research highlights the need for renewed efforts to understand the causes of increased mortality among Native Hawaiians and other high-risk minority populations.
A new report estimates that repealing birthright citizenship would increase the US unauthorized population by at least 5 million over the next decade. The report, conducted by Penn State professor Jennifer Van Hook and the Migration Policy Institute, analyzes the demographic impact of such a repeal on the nation's population.
Only one in six Americans who have ever been overweight or obese successfully maintains their weight loss, according to a new study. The researchers found that women, adults aged 75-84, and non-Hispanic whites were more likely to achieve long-term weight management.
The new HapMap adds more than 1 million SNPs, increasing resolution and helping researchers interpret genome studies. Non-African diversity is largely a subset of African diversity in the updated map.
A new study published in the New England Journal of Medicine contradicts earlier reports that people with a certain genetic make-up don't benefit from the blood-thinner clopidogrel. Researchers found that the gene variant previously thought to be associated with reduced effectiveness had no impact on patients taking clopidogrel.
A study estimates nearly 30% of US adults over 40 with diabetes have diabetic retinopathy, a leading cause of blindness. The study also reveals higher prevalence and risk factors for vision-threatening retinopathy among diverse populations.
Emergency department visit rates in the US significantly increased between 1997 and 2007, with a notable rise among adults with Medicaid. The number of emergency departments serving as safety-net facilities also expanded during this period. Increasing access to healthcare services for vulnerable populations remains a pressing concern.
A study by University of Nebraska-Lincoln researchers found that voters carved into new districts often know less about their congressperson than those in their former home counties. This can lead to a significant informational disadvantage, resulting in random voting choices.
Researchers found that blue whales align their pitch with a common value, enabling them to detect tiny shifts in calls. The study analyzed 4,378 recordings of blue whale songs and observed a remarkably small variation in pitch.
Researchers at Columbia University's Mailman School of Public Health found a high prevalence of PTSD nearly two decades after the Liberian civil war, with certain villages experiencing a higher burden of trauma. The study suggests that populations exposed to severe conflict are likely to bear a long-lasting psychological toll.
Researchers found that nearly one in five patients with early stages of CKD had evidence of AF, a rate similar to those with end-stage CKD. The study emphasizes the importance of closely monitoring health conditions of this population due to increasing risk of developing AF as people live longer and get older.
Obesity rates among seniors in Latin America and the Caribbean have surged, leading to a significant increase in disability among elderly populations. Current trends suggest that unchecked obesity will result in larger numbers of people vulnerable to chronic medical conditions, straining healthcare resources in poorer countries.
A study found a rise in drinkers across all three ethnic groups, with specific challenges faced by Blacks and Hispanics. Despite increased numbers of drinkers, alcohol consumption did not rise among Blacks and Hispanics.
A new study suggests that genetic variations in the APOL1 gene are responsible for population disparities in kidney failure, particularly among persons of African and Hispanic heritage. The findings highlight the importance of identifying genetic mutations associated with increased risk of chronic kidney disease.
A study estimated that nearly 5 percent of the Key West population was exposed to dengue virus in 2009. This finding raises concerns about the potential for a large-scale outbreak in the region.
Anthropologists analyze farmers branch texas revealing that immigrants are perceived as a threat to American identity, not just race but also class status. The study shows how immigrants changing their communities make whites react with anti-immigrant legislation.
A study of non-fatal war injuries found that those affected had significantly lower quality of life compared to US and Turkish general populations. Men were four times more likely to be injured than women, with injuries from jet bombings being a major contributor.