Articles tagged with United States Population
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 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 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 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 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 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 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 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 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 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.
A recent study reveals nearly double growth in middle-aged hip replacements between 2002-2011, primarily due to population expansion. This trend poses significant challenges for healthcare costs, access, and future revisions.
A new US county-by-county map shows diverse land use patterns, with green counties operating efficiently and red counties consuming more land per capita. The study integrates satellite data with census population information to identify socio-economic patterns linked to land consumption.
Researchers analyzed DNA samples from 64 populations in Europe, Africa, and the Americas to uncover the genetic fingerprints of the slave trade and colonization. The study found that Americans have a complex genetic profile, with varying proportions of African and European ancestry.
As the US population ages, chronic subdural hemorrhage (SDH) is expected to become the most common adult brain condition requiring neurosurgical intervention. By 2030, hospitals and neurosurgeons may be under-manned to handle the projected increase in patients with SDH.
A study led by Benoît Laplante finds that consensual unions have become increasingly popular among higher-income groups in Latin America. University-educated women are no longer limited to having children out of wedlock, as fertility rates correlate with living in a conjugal relationship rather than its legal nature.
A study by Population Council reveals that consensual unions are becoming a common family arrangement for bearing children among educated women in Latin America. The trend is seen as a shift from limited economic and social opportunities, with educated women now entering these unions to have children.
A UCLA study identifies four key problem areas for Latinos under the Affordable Care Act: uninsurance of undocumented residents, growing Latino population in non-expansion states, increased demand on health systems, and language barriers. Insuring undocumented residents could improve access to care and reduce costs.
A study published in Scientific Reports identified a rural community in Brazil that still adheres to traditional sleep patterns, unlike many urban areas where artificial lighting has disrupted the natural day-night cycle. The researchers found that town residents and those living in the countryside have different preferred wake-up and ...
Researchers calculate vaccine coverage among exposed populations in California, Arizona, and Illinois as far below 96-99% necessary for herd immunity. The virus's effective reproduction rate is estimated between 3.2-5.8, emphasizing the importance of vaccination to control outbreaks.
A recent study found that nearly 290,000 older adults from the US volunteered abroad in 2012, a 60% increase from the previous decade. Host organizations are clamoring for baby boomer volunteers with professional skills to offer. The average age of these volunteers was over 64, and they spent an average of 13 weeks abroad.
A new study by Penn Medicine researchers found that even with optimal conditions, a large proportion of the US population would be unable to access a comprehensive stroke center within 60 minutes. The study suggests that population-based planning is crucial to develop systems of care given finite resources.
A study published in Annals of the Rheumatic Diseases found that people with a history of gout have a 24% lower risk of developing Alzheimer's disease. The researchers analyzed data from over 3.7 million people and found this protective effect, possibly due to uric acid's antioxidant properties.
A new study published in Neurology reveals that only up to 63% of the US population has access to a comprehensive stroke center within an hour, even under optimal conditions. Conversion of primary stroke centers to comprehensive ones could improve access for 23% more people.
A Northwestern University study found that community navigators can significantly improve healthcare outcomes for low-income, uninsured Spanish-speaking women. Despite facing numerous barriers, patients in the navigation program had shorter follow-up times and did not experience delayed diagnoses compared to English-speaking counterparts.
Researchers analyzed indicators of conflict and intergroup interaction in Eastern North America, finding that warfare varied widely over time and space. They identified patterns across extremely large areas, including fortified settlements and skeletal remains of warfare victims.
The rate of Latino physicians per 100,000 Latinos in the US has declined by 22% since 1980, according to a new study. The shortage of culturally familiar doctors negatively affects healthcare for U.S. Latinos, who face barriers to quality care due to language and cultural barriers.
The NELSON trial found that individuals with better health profiles and younger age were less likely to participate, but the study's findings remain relevant due to modest differences. The trial showed a higher mortality rate among eligible non-participants compared to participants.
A new study by St. Michael's Hospital found that 25% of homeless people surveyed in Toronto had vision problems, including blindness, four times higher than the general population. Glasses or contact lenses would help only two in five individuals with vision issues.
The Affordable Care Act's health insurance cooperatives have had a tangible impact on the marketplace, offering more products and lower-priced plans than traditional insurers
A meta-analysis of 18 studies found that injectable progestin DMPA is associated with a 50% higher risk of HIV infection among African women. In contrast, other hormonal contraceptives showed no significant increased risk.