Reducing the damage caused by cardiac arrest
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.
United States Population
Articles tagged with United States Population
Study finds middle-aged Americans not as healthy as English counterparts
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.
How should countries best respond to a flu pandemic?
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.
Contaminants linked to sturgeon decline in Columbia river
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.
Prisons not adapting to needs of aging inmate population
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.
Dramatic changes in US aging highlighted in new census, NIH report
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.
Efficiency, not more doctors, is the prescription for aging population
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.
Mining the human genome for signs of recent selection
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.
HIV/AIDS rates in Tijuana, Mexico increasing at alarming rate
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.
World faces challenge as life expectancies lengthen, scientist says
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.
Simple system predicts mortality of older Americans with 81 percent accuracy
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.
Language barrier just one roadblock to diabetes control for Chinese-speaking immigrants
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.
Hispanic asthma rates highest among Puerto Ricans
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.
Poor fitness common in teens and adults, with associated rise in cardiovascular disease risk factors
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.
Mayo Clinic researchers find hole in heart does not make stroke inevitable
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.
Study provides first estimate of US population affected by Barrett's esophagus
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.
Lack of research hampering efforts to provide health services to homeless people
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.
Hospitalization rates for infectious diseases increase among older adults
Hospitalization rates for infectious diseases have increased significantly among older adults in the US, with notable rises in septicemia, postoperative infections, and other conditions. This trend is likely linked to the aging of the population, which will lead to a projected increase in hospitalizations among older adults.
Nature: Up to one-third of US in compliance with Kyoto Accords
More than one-third of the US population lives in 'probable' and 'possible' adopter regions that have pledged to reduce emissions. These areas contribute up to half of the US gross domestic product, equivalent to 16.9% of global GDP. However, compliance will be a challenge due to lack of enforcement mechanisms.
Mayo Clinic study: People with heart failure at significant increase for death from stroke
A Mayo Clinic study has identified a significant increase in mortality from stroke among patients with heart failure. The research found that older individuals with previous strokes or diabetes were more likely to experience a stroke, leading to a higher risk of death.
Study finds torture and human rights abuses among Tibetan refugees
Researchers found extremely high reported human rights violations among Tibetan refugees, leading to increased incidence of post-traumatic stress disorder, anxiety disorders, and depression. The study reveals that torture and human rights abuses are unacceptably high among Tibetans who have escaped to Nepal or India.
Who people live with, not where, gives different picture of immigrants in US
A study found that nearly 28% of Americans, or about 76.5 million, live in foreign-stock households, where at least one family member is born abroad. The researchers identified seven household types, showing a more dispersed population than previously thought.
Delivery of aid to Africa: Changes needed to ensure money reaches poor
Experts propose thorough output-based assistance (OBA) to accurately target aid funds. OBA improves quality of care and devolves financial decisions to the lowest level, potentially increasing 80% of allocated money reaching the poor.
Death sentences linked to history of lynching in states
A study by Ohio State University researchers found a clear link between the number of lynchings and death sentences in US states, particularly for Black victims. The study suggests that the death penalty has become a legal replacement for lynching, with a stronger connection observed when only Black death sentences are considered.
Prevalence of cataract causing vision problems appears high among US hispanics
A study of Hispanic individuals found a high prevalence of visually significant cataract, with rates higher than in African American or white populations. Language and financial barriers were identified as key factors hindering access to cataract surgery.
Children using community health centers are more likely to be overweight
A recent study found that children using community health centers in medically underserved areas have a higher prevalence of overweight compared to the general population. The study analyzed data from nearly 2,500 children aged 2-11 and found that overweight children made up 22% of younger kids and 24% of older kids in these centers.
Twice as many adverts for unhealthy foods, cigarettes and alcohol in black and Latino magazines
A study found that health-related adverts accounted for approximately half of all adverts in mainstream women's magazines, but only a quarter in black and Hispanic magazines. The disparity highlights existing health inequalities among different ethnic groups.
Survey uncovers surprising attitudes towards HIV vaccine research
A telephone survey of over 3,500 US adults found conflicting attitudes towards HIV vaccine research. The survey revealed that some groups have misconceptions about vaccines and the importance of diverse participation in clinical trials.
Cambodian war refugees experience psychiatric disorders many years after resettlement
A 25-year study found high rates of PTSD and major depression among US Cambodian refugees who experienced trauma before and after immigration. The study highlights the need for additional mental health resources to address the community's substantial unmet needs.
New study examines the nation's neighborhoods and segregation
A new study found declining residential inequality between whites and African Americans since 1970, while Latino and Asian segregation remained stagnant or increased. The research suggests that changes in income equality may drive these trends.
Sneaky sex causes fish pest
The mosquito fish's reproductive habits rely on male coercion, which is affected by environmental temperatures. Females select for strong male genes and adapt their behavior to optimal temperatures.
Hepatitis A in US drops substantially after implementation of vaccination program
The incidence of hepatitis A in the US has dropped substantially since 1990, with a 76% decline to 2.6 per 100,000 people. Children under 18 years old have been disproportionately affected, with a 87% decrease in cases.
UQ researcher to help improve global health
The five-year project aims to develop innovative tools for measuring population health, particularly in resource-poor settings. It will provide governments and communities with practical strategies to understand their health state and prioritize spending, ultimately improving global health outcomes.
Survey shows that physicians are more religious than expected
A recent survey reveals that physicians are nearly as religious as the general population, but their specific beliefs often differ from those of their patients. The study found that doctors from certain ethnic and religious backgrounds were more likely to identify as religious, while others were less likely.
African-Americans more prone to higher heart weight than whites, study shows
African-American patients have a higher rate of increased heart weight, or left-ventricular hypertrophy, than whites regardless of their differences in body fat and overall body composition. Elevated blood pressure is the best indicator of why African-Americans in the study had a higher rate of left-ventricular hypertrophy.
American Indians and Alaska Native veterans have higher mortality rate after surgery than Caucasians
A study by Dartmouth Medical School found a higher mortality rate among American Indians and Alaska Natives after surgery, with 3.1% of Americans Indian dying compared to 2.2% of Caucasians. The research highlights existing disparities in healthcare and suggests further investigation into factors contributing to these differences.
African HIV subtypes identified in Minnesota population
Researchers identified seven non-B HIV-1 subtypes among African-born patients in Minnesota, contradicting the assumption of subtype B prevalence. The study suggests that implementing HIV subtype surveillance in states with larger immigrant populations is essential for public health.
New World founders small in number
A new study reveals that the first New World populations were founded by a remarkably small group of approximately 70 individuals, who left their ancestral Asian population around 7,000 to 14,000 years ago. This approach addresses limitations in traditional genetic studies and provides insight into the history of the Americas.
Founding fathers & mothers: How many crossed the land bridge?
Jody Hey's study suggests that the founder population for the New World was approximately 70 individuals, representing about 1 percent of the ancestral Asian population. The dates of divergence are consistent with archaeological records, spanning 12,000-14,000 years ago.
US Latinos may develop Alzheimer's disease symptoms at earlier age than white, non-Latinos
A recent study suggests that US Latinos may develop Alzheimer's disease symptoms at a younger age than white, non-Latino individuals. The study found that Latino patients had a mean age of symptom onset that was 6.8 years earlier than Anglo patients with similar educational levels.
Aboriginal Canadians at high risk for severe trauma
A population-based study found that Aboriginal Canadians are nearly four times as likely to sustain severe trauma as the reference population. Motor vehicle crashes were identified as a primary cause of traumatic injuries and death among this group.
Diuretics best initial therapy for both black and nonblack patients in treating high blood pressure
A study of ALLHAT trial data reveals that thiazide-type diuretics are superior to ACE inhibitors and calcium channel blockers in reducing cardiovascular disease incidence and heart failure in both black and non-black patients. Diuretic-based treatment also showed reduced risk of myocardial infarction and fatal coronary heart disease.
Natural disaster hotspots: A global risk analysis
A new global risk analysis reveals that approximately 20% of the Earth's land surface is exposed to at least one natural hazard, affecting over half the world's population. The study categorizes regions by their level of exposure to multiple hazards, highlighting countries with high mortality risks from two or more hazards.
Immigration has become hallmark of America's image at home and abroad
The children and grandchildren of early immigrants played a significant role in shaping American society through their support for New Deal programs and Great Society reforms. The present share of Americans with recent family roots in other cultures is closer to 20-25%, reflecting the nation's increasing diversity.
Balance and better interactions between primary-care and specialist physicians improve US health
A study by Johns Hopkins found that higher specialist-to-population ratios do not decrease mortality rates and can lead to more unnecessary tests and procedures. The researchers suggest finding better ways for primary-care and specialist physicians to work together to improve health services.
More training needed to care for growing geriatric population
The US is expected to have over 70 million people over 65 by 2030, creating a shortage of trained geriatric specialists. Only 27 of 91 specialties require specific geriatric training, with modest expectations.
Scientists will discuss remarkable advances in whale research at the annual meeting of AAAS
Recent advances in genetics have revolutionized whale research, revealing surprising tales of population sizes. Marine biologist Steve Palumbi's work has sparked controversy, but also led to a deeper understanding of humpback whales' population history, estimated at 1.5 million before commercial whaling.
Study casts doubt on increased mobility among US population
A recent study published in The Gerontologist challenges the notion that Americans are moving further apart from their families. Short-distance mobility rates have decreased significantly over the last 50 years, while long-distance moves have shown less decline or remained relatively unchanged.
Higher blood pressures among African Americans - genes not likely to be an explanation
A recent study published in BMC Medicine reveals that environmental factors are a major contributor to higher blood pressure among African Americans, contradicting the long-held assumption of a genetic predisposition. The research found significant variations in hypertension rates across different populations worldwide.
VA patients get better chronic, preventive care than similar US adults
VA patients outperformed non-VA patients in delivering recommended care for acute, chronic, and preventive conditions, with significant differences found in areas with established performance measures and electronic medical records.
Prevalence of obesity among immigrants increases with longer residency in US
The study found that immigrants living in the US for over 15 years have a higher BMI and obesity rate compared to those living less than 1 year. Early clinician intervention on diet and physical activity may help prevent weight gain and obesity-related chronic illnesses among immigrant populations.
Immigrants, beware: Living in the United States is fattening
A study found that immigrants to the US are at higher risk of obesity due to acculturation and limited access to healthcare. As they spend more time in the country, their body mass index increases, suggesting a threshold effect.
Immigration & psychiatric disorders
A new study found that immigration status significantly increases the risk of psychiatric disorders among US-born individuals compared to foreign-born counterparts. The study analyzed data from over 43,000 US adults and revealed a higher lifetime rate of psychiatric disorders among US-born Mexican Americans and non-Hispanic Whites.
Tamoxifen's risks similar in African American and white women
A study of over 20,000 women found tamoxifen reduces contralateral breast cancer risk by 47% in both African American and white populations. However, tamoxifen use is associated with a higher risk of thromboembolic events, particularly when combined with chemotherapy.
The lost genetic legacy of American gray wolves
Historic US gray wolves lived in Ice Age environments with rich genetic diversity, suggesting past ecosystems were dominated by the species. Current restoration goals of a few hundred wolves are deemed inadequate, reflecting political and economic concerns over biological reality.
Federal forum reports Americans aging well, but gaps remain
Despite progress, older Americans face disparities in education, wealth, healthcare access, and risk factors for chronic diseases. The report highlights the need to address these gaps to ensure better quality of life for aging populations.
Military hazards are greater for Native Americans, according to sociological research
A new study by researchers finds that Native American lands are disproportionately located near extremely dangerous military sites contaminated with unexploded ordnance. The research, published in the American Sociological Review, examines the role of militarism in environmental inequalities affecting Native Americans.
Super-sizing Asian Americans
Research highlights the importance of traditional Asian diets and physical activity patterns in preventing chronic illnesses like cancer and diabetes. Experts call for targeted campaigns to promote healthy eating and exercise among low-income immigrant communities.
Breast cancer in Asian Americans is rising faster than in any other ethnic group
A new analysis by California Department of Health Services reveals breast cancer is the nation's fastest-growing rate, even as Asian Americans experience a lower death rate from cancer. This disparity highlights the need to address Westernization and increase cancer screening among Asian American women.
Study in Royal Society journals presents evidence for inherited factors in homosexuality
Researchers suggest genetic factors favoring male homosexuality could increase female fecundity, resolving the Darwinian paradox. This study provides evidence for inherited factors in homosexuality, exploring its implications on population dynamics.