Research on the US population and its health. Covers cancer-trial sponsorship, myopia control, statistical literacy, and substance-use trends.
A new statistical model predicts a significant increase in the number of people over 85 worldwide by 2100, outpacing previous estimates. This will result in fewer working-age adults supporting elderly populations, posing challenges for social security systems globally.
A new University of Utah-led study suggests that global cooling, rather than population collapse, was the primary driver of reduced wildfires globally. The research analyzed charcoal samples spanning 2,000 years and found a significant decline in fires post-1500 AD, which coincided with the onset of the Little Ice Age.
The Amish population is estimated to be over 251,000, with more than 60% of existing settlements founded since 1990. The community grows rapidly due to high birth rates and limited conversions, leading to predictions of over 1 million Amish and 1,000 settlements by 2050.
A recent NIH-funded study found a 2.8% overall rate of new HIV infections among black MSM in the US, with a higher incidence rate among individuals aged 18-30. The study also identified associations between HIV infection and high rates of untreated STIs and poverty.
A study found that higher population density of neurosurgeons in the US is associated with lower mortality rates from motor vehicle accidents, which are often caused by traumatic brain injuries. Rural areas tend to experience more MVA-related deaths due to slower medical response times and reduced access to trauma resources.
A study of HIV-positive persons born outside the US finds they are more likely to be Hispanic or Asian and have higher rates of heterosexual contact. The researchers also found that these individuals face challenges accessing medical care due to language and cultural barriers.
A recent study found that Native American populations originated from at least three migrations, with most descending from the First American migration through Beringia. This migration was later joined by two additional streams, which contributed to the genetic diversity of Arctic populations and some Na-Dene-speaking groups.
The July 2012 Genetics Society of America's journal features research on increasing association mapping power and resolution in mouse genetic studies through meta-analysis for structured populations. The study also explores the properties and power of a Drosophila Synthetic Population Resource for dissecting complex traits.
Restricting daily sitting time to less than 3 hours and watching TV for less than 2 hours a day may extend US life expectancy by 2 and 1.4 years respectively, according to an analysis of published research in BMJ Open.
A recent study published in JAMA found that the rate of community-onset MRSA infections has decreased significantly among US military personnel. Community-onset skin and soft tissue infections due to MRSA peaked at 62% in 2006 before declining annually, with a proportion of 52% in 2010.
A study by Universidad Carlos III de Madrid found no causal link between immigration and crime rates in Spain. The researchers analyzed data on crimes committed per inhabitant and immigrant population characteristics to conclude that language and education are key factors influencing crime.
Research in Spain finds low correlation between immigrant population and crime, with education and language playing key roles. Young men from immigrant populations are more likely to commit crimes.
A CU-UCSC study finds that California condors continue to suffer from lead exposure, with nearly half of the population showing signs of poisoning. The research highlights the need for sustained human intervention to stabilize and grow the species' population.
UC Santa Cruz researchers suggest that Lyme disease has increased across northeastern and midwestern US over past three decades, contrary to stabilizing deer populations. Red fox declines are attributed to coyote growth, leading to smaller animal populations that serve as ticks' hosts.
A new study at Brigham and Women's Hospital found that living alone may be a risk factor for death, especially due to cardiovascular problems like heart attack and stroke. Participants with atherosclerosis who lived alone had a higher rate of death over four years compared to those who did not live alone.
A new study confirms cougars are re-populating their historical range across the US Midwest. The research reveals cougar populations have spread from Texas to Ontario and Manitoba, with males traveling long distances.
A study by University of Notre Dame Economist Abigail Wozniak found that highly skilled immigrant arrivals lead to a decrease in the native population's skills. In smaller and more isolated cities, this effect is particularly pronounced.
A Kaiser Permanente study of over 6,000 individuals found a low short-term risk of developing shingles recurrence among those with healthy immune systems. The study's findings suggest that the risk is low regardless of vaccination status.
The International Osteoporosis Foundation reports a significant increase in osteoporosis-related fractures and diagnoses in Latin America, driven by the region's aging population. The projected rise in fragility fractures poses a substantial socio-economic burden on healthcare systems.
A new study published in Population Health Management projects that 53.1 million Americans will have diabetes by 2025, a 64% increase from 2010. The Diabetes 2025 Model can estimate the impact of lifestyle changes and interventions on reducing diabetes burden.
Researchers found unsedated transnasal endoscopy to be a safe and well-tolerated method for screening esophageal disease in a primary care population. The study showed high diagnostic yields, low procedure times, and minimal anxiety, making it an attractive alternative to standard upper endoscopy.
A study using data from over 1 million adults found that a newer risk prediction equation classified more individuals as having chronic kidney disease and accurately predicted death and end-stage renal disease. The CKD-EPI equation outperformed the MDRD Study equation in categorizing risk, especially at higher GFR levels.
Researchers have identified significant differences in how diabetes affects Asian populations, including unique markers for type 1 diabetes diagnosis. The study highlights the need for culturally sensitive care, tailored treatment guidelines, and expanded education programs.
A new study published in The Annals of the American Academy of Political and Social Science found that neighborhood characteristics, such as disadvantage and residential stability, have a significant impact on violent crime rates. Immigrant populations were not linked to higher levels of lethal violence.
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.