Research on the US population and its health. Covers cancer-trial sponsorship, myopia control, statistical literacy, and substance-use trends.
UCSB researchers found that tree chopping increases testosterone levels more than soccer, improving muscle energy and performance. The study suggests that Tsimane men maintain high testosterone levels due to their physically demanding lifestyle, contrary to industrialized populations.
A new study published in Annals of Neurology found a significant decline in ischemic stroke rates among Mexican Americans over 60, with an overall decrease of 36% between 2000-2010. Despite this drop, the relative burden of stroke remains higher among Mexican Americans, with a rate 34% higher than non-Hispanic Whites.
A recent study published in the Journal of General Internal Medicine found that obesity is associated with higher mortality rates in individuals with diabetes, but not those without the condition. The research used data from a nationally representative sample of US adults and followed them over a six-year period to confirm deaths.
A new study published in American Journal of Human Genetics suggests that modern-day India is the result of recent population mixture among divergent demographic groups. The findings provide evidence for a genetic mixture of two ancestral groups: Ancestral North Indians and Ancestral South Indians, which occurred around 1,900 to 4,200 ...
A recent genetic study has uncovered a significant demographic shift in India's population, occurring approximately 1,900-4,200 years ago. This mixture of ancestral populations has left its mark on nearly every group in India, influencing the present-day caste system and increasing the incidence of genetic diseases.
A mathematical model helps clinicians prioritize recommended preventive care methods, leading to enhanced care and potential lifesaving outcomes. The model, developed by NYU Langone researchers, takes into account individual patient needs and provides personalized recommendations.
Researchers from Drexel University present findings on Northern Pine Snake population decline due to road mortality in New Jersey. Climate change may impact their behavior, while baby snake mazes and counting tongue flicks shed light on early life stages.
Increased variability in yearly temperature records has shifted to regions of high population in Europe and North America. Globally, total temperature variability remains relatively stable despite global warming trends.
A University of Colorado study found that mortality risks vary among nondrinkers, with some groups having similar risks to light drinkers. The researchers analyzed data from over 41,000 people and discovered that abstainers with religious or moral motivations had similar mortality risks to light drinkers.
A new study by University of Nebraska-Lincoln political scientist Sergio Wals found that Mexican immigrants tend to be centrist or center-right in their political ideologies. Despite historical trends showing the Hispanic vote going Democratic, Wals' research reveals a more diverse political landscape among Mexican immigrants.
Research from Brigham and Women's Hospital finds that the aging US population will lead to longer emergency department visits and more frequent hospitalizations, but not an increase in overall ED visits. The study predicts a 10% increase in time spent by patients in EDs nationwide, highlighting the need for efficient patient flow.
Leading researchers at the University of Massachusetts Amherst and Maine disagree with a Pew Charitable Trusts 'factsheet' on Bluefin tuna stocks, stating it lacks scientific credibility. The experts advocate for considering alternative hypotheses and multiple population models in stock assessments.
A new statistical analysis projects the world population could reach nearly 11 billion by 2100, driven by fertility in Africa. The current African population is expected to nearly quadruple to 4.2 billion by 2100, with Nigeria experiencing the largest increase.
A collaborative study using Vaccine Safety Datalink data analyzed four years of data and found that background mortality rates are lower in vaccinated populations than the general US population. These rates can be used to identify unusual increases in deaths following vaccination.
Researchers found that cities with higher social-tie density experience increased productivity due to face-to-face interactions. This concept was previously attributed to 'superlinear scaling', but the new study provides a more nuanced explanation. Cities with poor transportation infrastructure and megacities may not benefit from this ...
A recent analysis found that the rise in treated disease prevalence and spending per treated case accounted for most of the increase in US healthcare spending between 1987 and 2009. The study, published in Health Affairs, also revealed that obesity contributed to 10.4% of the overall rise in spending.
Mexican-American adults born in the US are more likely to report physical limitations compared to immigrant counterparts. This disparity is attributed to various factors including acculturation levels and lifestyle changes over time.
Research finds that low birth weight contributes to approximately 10-15% of later intellectual disability cases. Medical interventions, such as intensive care technologies, may increase ID prevalence, contrary to previous therapies like newborn screening.
Researchers found targeted screening for hepatitis C to be cost-effective in populations with a higher estimated prevalence rate. The study showed that screening followed by guideline-based treatment can save $47,000 per quality-adjusted life year.
A new study found that Google searches for information on all major mental illnesses followed seasonal patterns, with winter queries consistently higher than summer ones. This suggests that mental illness may be more strongly linked to seasonal patterns than previously thought.
A new study reveals that Canada is the country least capable of effectively managing its drug pricing regime due to its unique universal healthcare system. The researchers suggest three principles - pragmatism, discipline, and transparency - for developing an effective pricing strategy.
Reducing food waste is vital to feed a global population of 9 billion by 2050. Scientists estimate that up to half of the food harvested from farmers' fields in developing countries is lost due to spoilage and pests. In developed countries, households throw away about 4 out of every 10 pounds of food produced each year.
A new study by Dr. Christine Milrod and Dr. Martin A. Monto found that only about 14% of men have ever paid for sex, and those who do are not particularly different from the general population. The researchers also discovered that arrested customers are more likely to be married, working full-time, and sexually liberal than non-customers.
Weill Cornell researchers argue that ACOs may not be improving population health as intended, as their focus is often solely on medical care for patients within their geographic area. The authors emphasize the importance of clearly defining population health to formulate effective healthcare and social service policies.
A new study warns that widespread adoption of the 'test and treat' policy for HIV could lead to a significant increase in multi-drug resistant HIV cases. The study suggests that this approach could double the number of MDR cases among men who have sex with men (MSM) in LA County over the next 10 years.
A study of over 3.3 million PCI procedures found that major bleeding was associated with significantly increased in-hospital mortality, with an estimated 12% of deaths related to bleeding complications. The researchers suggest that bleeding-related mortality may be modifiable through established strategies.
A study of 137 mummies from around the world reveals that preindustrial hunter-gatherers suffered from clogged arteries, challenging the assumption that modern lifestyles are the primary cause. The researchers found artery plaque in every single population studied, indicating a more basic connection to inflammation and aging.
A large epidemiological study found that short-term exposure to outdoor heat increases the risk of hospitalization for COPD and respiratory tract infections in the elderly. The risk was consistent across all age groups and genders, with a strong association between heat and hospitalizations.
A new study has found a significant prevalence of vitamin B12 deficiency among refugees arriving in Australia. The research highlights the importance of regular screening to prevent severe malnourishment and its consequences, including developmental defects in unborn children.
A study by William Leonard examines the roles of diet and energy expenditure in contributing to obesity. The research shows that human dietary patterns have evolved over time, with a shift from subsistence to modern lifestyles leading to increased energy imbalances.
Researchers at Yale School of the Environment linked exposure to perfluorinated chemicals (PFCs), including PFOA and PFOS, with an increased risk of osteoarthritis. The study found stronger associations for women than men, highlighting the need for further exploration of health effects in susceptible subpopulations.
The study found that growing proportions of Harris County's Asian adults are now the U.S.-born children of Asian immigrants, and they are even better educated than their parents. This demographic shift suggests a changing face for the local Asian population in Houston.
Researchers found that high-dose, school-based interventions increased active minutes during PE classes, after-school programs, and walking to school. Community initiatives also led to improvements in school cafeteria lunch menus offering fresh produce.
A new DNA study from the University of Texas at Austin provides genetic evidence for the impact of Aztec imperialism on Mesoamerican populations. Researchers found that the pre-conquest maternal aDNA did not match those of the post-conquest era in Xaltocan, suggesting significant genetic changes
A new peer-reviewed journal will identify crucial LGBT healthcare needs and provide a much-needed authoritative source for LGBT health research. The journal will promote optimal healthcare for millions of sexual and gender minority persons worldwide by focusing on their specific health concerns.
A new study by researchers at the University of Washington and in Indonesia has found that the population of critically endangered Sulawesi black macaques has stabilized over the past decade. The long-term survey, which began in 1999, shows a gradual increase in the number of groups and individuals per square kilometer, with the popula...
A recent study found that lung cancer mortality rates are disproportionately high among blacks living in the most segregated counties in the US. The study suggests that addressing socioeconomic disparities and improving access to healthcare may be key to reducing these disparities.
Researchers found that a virulent strain of H. pylori reduced the risk of deaths from stroke by 55% and lung cancer by 45%. The study, which analyzed data from nearly 10,000 individuals, also found no association between H. pylori positivity or cagA-positivity and all-cause mortality.
Average employer-sponsored family health insurance plan premiums increased by 62% between 2003 and 2011, rising to $15,022 per year. Employee payments for their share of health insurance premiums also rose by 74%, with deductibles more than doubling.
A new study reveals lions have lost 75% of their original natural habitat in Africa, leading to devastating declines in lion populations across the continent. The research identifies only 67 isolated regions with significant lion populations, highlighting the urgent need for conservation efforts.
The study estimates that only 32,000 to 35,000 lions remain on the savannah, down from nearly 100,000 in 1960. The research identified 67 isolated areas of savannah with low human impacts and densities, but most are in West Africa, where lion populations have declined drastically.
Research from USC finds that expectant mothers' beliefs about family roles predict higher birthweights and lower asthma rates in their children. The study suggests that cultural values can provide tangible physical health benefits.
A higher density of neurologists and neurosurgeons in the US is associated with a decreased risk of death from stroke, according to a new study. The study found that an increase of one neuroscience provider per million population was linked to 0.38 fewer deaths from stroke per million population.
A study published in Genetics Society of America's journal found that Native Americans and Northern Europeans are more closely related than previously thought. The research used statistical tools to show that Neanderthals mixed with modern humans also revealed a common ancestor between Native Americans and Northern Europeans.
Routine HIV testing can significantly reduce AIDS-related morbidity and death, as well as HIV transmission. Implementing this strategy would provide a roadmap for an AIDS-free generation.
The study provides the first report of state-level COPD prevalence, revealing significant regional variations. Nationwide, 6% of non-institutionalized adults reported having COPD, with higher prevalence in select states.
Researchers created a culturally relevant guidebook to improve Hispanic health and behaviors, focusing on physical activity and nutrition. The guidebook was well-received by community residents and addressed the Latino Paradox, highlighting the shift in healthy eating habits when immigrants arrive in the US.
Researchers funded by NSF found that changing climatic conditions, rather than tourism, are driving the decline in chinstrap-penguin populations. The study analyzed data from 1994-2011 and found a significant decline of 50% in breeding pairs at Baily Head since 1986-87.
A study by Jay Teachman found that veteran populations are becoming more concentrated in rural areas surrounding military bases. This has led to a decrease in contact between veteran and non-veteran populations, with the proportion of veterans in America declining by an average of 15.54% since 2000.
The project profiles rare and common genetic variations in 1,092 individuals from 14 populations, capturing up to 98% of sequences for rare gene variants occurring in at least 1% of the population.
Researchers have compiled the largest human genetic variation catalog, involving over 1,000 individuals from 14 ethnic groups. The massive resource will help medical researchers find the genetic roots of rare and common diseases in populations worldwide.
A multinational team of scientists has sequenced 1,092 human genomes to determine the standard range of human genetic variation. This will enable biologists and physicians to interpret a patient's disease genome in a broader context, leading to better understanding and targeted treatment.
A recent study has uncovered two genetic deletions that are responsible for severely low sperm count, accounting for 8% of cases. The most common deletion increased the risk by a factor of 2, while the rare b2/b4 deletion doubled the risk and accounted for 6% of cases.
Researchers found that mother wolves' body weight and pack size play a crucial role in enabling pups to survive and thrive. The study suggests that managers can use information on pack size, female wolf weight, and disease prevalence to set harvest limits and ensure sufficient population growth.
A study found that reading food labels is associated with lower body mass index in women, with a reduction of 3.91 kg for an average woman. Urban, high school-educated, and university-educated women tend to pay more attention to nutritional information.
A new study found that 9.5% of the population is at risk of high annoyance from road traffic noise, while 2.3% experience highly disturbed sleep. Long-term exposure to noise can increase risks of heart attack and high blood pressure.
New research reveals that tick-borne diseases extend 'beyond Lyme' in the Southeastern United States, where lone star ticks spread ehrlichiosis and spotted fever rickettsiosis. Experts advise saving the tick that bites you to identify potential diseases.
A new study reveals a significant prevalence of respiratory problems among people aged 85 years and over, with 20% of men and 21% of women having asthma or COPD. The study highlights the growing need for healthcare professionals to understand the challenges faced by this rapidly aging population.
A recent study published in the Journal of Dental Research estimates that approximately 47.2% of US adults have periodontitis, with higher rates among males, Mexican Americans, and those with lower education levels. The study also found significant disparities in periodontal disease prevalence across different age groups.
A recent study found that Mexican-Americans with an ancestral link to Amerindian tribes have higher insulin resistance levels, a key indicator of several chronic conditions. The research suggests that ethnicity information is crucial in identifying individuals at high risk of disease, and that genetic markers can be used for personaliz...