Articles tagged with United States Population
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.
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 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.
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.
Researchers found that 3G networks benefit from increasing Wi-Fi coverage percentage, particularly in densely populated areas. Conversely, Wi-Fi has an advantage when market penetration rates are high but coverage areas are limited.
A massive 10-year study found that more than 20% of deaths in Bangladesh were attributable to arsenic exposure from contaminated drinking water. Exposure to high levels of arsenic increased mortality risk by nearly 70%, while moderate exposure was linked to chronic disease deaths.
Researchers analyze genomes of two individuals with mixed ancestry to study the genetic basis of complex diseases. The study provides a clearer picture of the ancestry of genome sequences for individuals studied, revealing the approximate number of generations at which genetic mixing occurred and estimating the rate of admixture.
Fungal pathogens spread quickly through gypsy moth cadavers, while viruses disperse slower via parasitoid flies and predators.
A unique depression care program implemented by Henry Ford Health System has resulted in a 75% decrease in suicide rates among patients. The program, which includes various interventions such as cognitive behavior therapy and access to support services, has achieved zero suicides per 100,000 patients for over two years.
A meta-analysis of over 1 million people found that both low kidney filtration rate (GFR) and high albumin: creatinine ratio independently predict mortality risk in the general population. Low GFRs were associated with increased risks, with those below 60 mL/min/1•73 m² experiencing a 57% increased risk of death.
A University of Colorado at Boulder researcher found that cities with larger increases in immigration between 1990 and 2000 experienced the largest decreases in rates of homicide and robbery. The study suggests that growth in new immigrant populations may be partly responsible for the decrease in violent crime.
A new study by RAND Corporation suggests that pay-for-performance programs could worsen medical disparities, particularly in communities with lower-income and minority populations. The study found that practices serving these communities would receive lower payments under typical pay-for-performance programs.
A new study found that Hispanic/Latino individuals have varying genetic makeups due to the influence of multiple ancestral populations. The research discovered a significant sex bias consistent with the disproportionate contribution of European male and Native American female ancestry.
A systematic review of the literature found that uninsured patients are less likely to receive critical care services and face worse clinical outcomes. Uninsured patients were also more likely to experience discharge delays and have life support withdrawn.
Research published in BioMed Central's Population Health Metrics journal found Canadians live longer and healthier lives compared to Americans. Canada's universal healthcare system and lower levels of poverty contribute to the disparity in life expectancy between the two countries.
A new vision screening model, EyeSmart EyeCheck, will test for damage from eye diseases to detect undiagnosed visual impairment. The initiative aims to raise awareness and provide access to care for minority populations with limited access to health services.
An analysis of hospitalization records found that seasonal flu tends to peak earliest in western states like Nevada and later in New England states like Maine. The study identified patterns between peak timing and intensity of seasonal flu, enabling healthcare providers to prepare for outbreaks.
A recent Harvard Medical School study found that uninsured individuals are twice as likely to receive substandard treatment for migraines compared to their privately insured counterparts. This disparity affects approximately 5.5 million people in the US who lack health insurance, leading to needless suffering and economic burden.
The global maternal mortality ratio declined from 422 in 1980 to 320 in 1990 and 251 in 2008, with developing countries making significant progress. The study found that HIV accounts for nearly one out of every five maternal deaths, with six countries accounting for more than half of all maternal deaths.
The US health care reform bill aims to extend access to healthcare and narrow the gap between expenditure and health outcomes. The bill will provide coverage to 32 million uninsured Americans by 2014 and 95% of the population by 2019, while also promoting preventive care through measures such as calorie labelling.
Researchers at NIH/National Institute of General Medical Sciences have created a synthetic population using census data to simulate disease spread and study social networks. The virtual population accurately represents the country's demographics, allowing for faster and more accurate disease-spread simulations.
Research shows that initiating type 2 diabetes screening in the US population at ages 30-45 and repeating it every 3-5 years is cost-effective. This approach can prevent heart attacks, diabetes-related microvascular complications, and improve quality of life while keeping costs below $10,500 per quality-adjusted life-year.
Researchers found that queso fresco can retain its characteristic texture for two months when stored at 39 degrees Fahrenheit, but breaks down at 50 degrees F. The study suggests lowering the supermarket display case temperature to improve shelf life and quality of this popular Mexican cheese.
A study published in the American Journal of Roentgenology found significant geographic variation in noninvasive diagnostic imaging utilization rates among Medicare beneficiaries. The study revealed that Atlanta had the highest utilization rate, while Seattle had the lowest, with a difference of over 50% between the two regions.