Population
Articles tagged with Population
Rich more likely to use AI study finds, as experts warn these burgeoning technologies are increasing social inequality
A recent study reveals that individuals with higher education or income are more aware of and use AI tools, exacerbating social inequalities. The researchers recommend increasing engagement with AI-related topics through outreach campaigns, educational programs, and community workshops to reduce this new digital divide.
Orange County residents take pragmatic view on immigration
Orange County residents hold broadly positive but carefully qualified views on immigration, recognizing its benefits while drawing distinctions around enforcement. The UCI-OC Poll found that Orange County residents are pragmatic about immigration, supporting targeted enforcement against human trafficking and limiting immigration from u...
Malaria shaped distribution of early human populations
Researchers found that malaria significantly influenced habitat choice, pushing groups away from high-risk environments and separating populations. This led to the fragmentation of human societies, shaping their population structure for the past 74,000 years.
Young-onset colorectal cancer mortality by education
A nationwide study reveals that individuals with lower educational attainment are more likely to die from colorectal cancer at a younger age. The disparity in young-onset CRC mortality nearly doubled over the past three decades among those with 12 years or less education compared to those with 16 or more years of education.
Too hot to handle? Study explores how heat is reshaping US population shifts
A new study from Florida Atlantic University challenges the narrative that rising temperatures will drive Americans away, finding that heat alone isn't driving large-scale out-migration. Instead, population shifts are shaped more by economic opportunity, housing affordability and local quality of life than climate conditions.
Online searches for gun-related harm
A notable minority of US youth and young adults, particularly those facing structural disadvantages and mental health distress, engage in intentional online searches for gun-related harm. Public health strategies combining digital interventions with structural reforms offer promise to reduce gun-related harm among vulnerable populations.
High-throughput proteomics accelerates the era of precision medicine
Advances in high-throughput proteomics and artificial intelligence are transforming biomarker discovery, disease prediction, and drug development. Proteomic technologies enable comprehensive snapshots of physiological and pathological states, driving breakthroughs in early diagnosis and personalized treatments.
Loneliness affects memory in older adults but does not accelerate brain decline, major international longitudinal study suggests
A major European study found that loneliness affects the memory of older adults, but does not speed up mental decline over time. Participants who reported high levels of loneliness performed worse on initial memory tests, but their ability to recall information declined at a similar rate as those with lower loneliness levels.
Extended low-dose apixaban and superficial vein thrombosis
Extended low-dose apixaban effectively reduced symptomatic superficial vein thrombosis (SuVT) risk. Patients with enduring risk factors for SuVT benefited from this anticoagulation strategy.
Childhood mortality by parental cause of death
A statewide cohort study found childhood mortality is significantly higher among children bereaved by parental drug overdose, homicide, and suicide. Parental homicide was associated with the highest risk of mortality in children, highlighting the need for research into potential explanations such as family restructuring and mental health.
Walking pace found to strongly predict risk of death
A new study found that walking pace is a strong predictor of mortality risk, especially in people with existing health conditions. Combining walking pace with other physical measures improved mortality predictions, suggesting a simple and cost-effective way to identify high-risk individuals.
Long-term cardiometabolic outcomes in children with metabolically healthy and unhealthy obesity
Children with metabolically healthy obesity at treatment initiation have an increased risk of type 2 diabetes, hypertension, and dyslipidemia. Reduction in BMI z score is associated with reduced cardiometabolic risk, suggesting treatment should be recommended for these children as well.
Extreme urban heat and emergency department visits in older adults
Research suggests significant heat-health risks observed among socioeconomically vulnerable populations. This study underscores the importance of developing targeted heat warning strategies to mitigate these risks and prevent emergency department visits among older adults.
Female reproductive cancers and the sex gap in survival
A population-level cohort study of 20 low-mortality countries found that females aged 35-60 have higher cancer mortality rates than males, despite similar treatment and diagnostic pathways. The study highlights the need for targeted action to improve the prevention, early detection, and treatment of female reproductive cancers.
Incidence of out-of-hospital cardiac arrest on a postholiday weekday
A nationwide cohort study found a significantly elevated incidence of out-of-hospital cardiac arrests on post-holiday weekdays, particularly among vulnerable populations after consecutive rest days. The study supports enhanced emergency preparedness and targeted public health messaging during holiday periods.
New study identifies key factors supporting indigenous well-being
A large representative study found that 3 in 10 Indigenous adults meet criteria for healthy functioning, highlighting the importance of addressing structural barriers and promoting culturally meaningful pathways to wellness. Financial security, physical activity, and reduced chronic illness were key predictors of healthy functioning.
Insufficient sleep among US adolescents across behavioral risk groups
A study found insufficient sleep among US adolescents, with trends suggesting environmental and structural factors are driving the issue, rather than specific behaviors. The findings highlight the need for population-level interventions to address widespread sleep loss.
Incidental rotator cuff abnormalities on magnetic resonance imaging
A population-based study reveals that rotator cuff abnormalities are common after age 40 and often represent normal age-related changes. The findings challenge the clinical value of routine imaging for atraumatic shoulder pain, questioning the need for regular scans in this demographic.
Adolescent and young adult requests for medication abortion through online telemedicine
The study found increased requests for medication abortion among adolescents in states with gestational bans and parental consent requirements. Young adults also sought more medication abortion services post-Dobbs, with the highest demand in states with restrictive abortion laws.
Surviving slavery: family ties were vital
A historical analysis of Surinamese slave registers found that young children who grew up without a mother were more likely to die, while the presence of grandmothers significantly increased their chances of survival. Family members played a crucial role in protecting children from harsh conditions.
Study explores how women in public sector regulate their emotions at work
A study found that women in the public service sector tend to report satisfaction with their work, but also struggle with suppressing negative emotions. The researchers surveyed over 120 women and discovered that most never felt ashamed or scared at work, but many reported hiding their true feelings due to job expectations.
Impact of a smartwatch hypertension notification feature for population screening
A cross-sectional study investigates the effect of a smartwatch feature that alerts users about high blood pressure, impacting a significant portion of U.S. adults without diagnosed hypertension. The study reveals that nearly 1 in 5 participants received notifications and subsequently sought medical attention.
Mortality among youth and young adults with autism spectrum disorder, intellectual disability, or cerebral palsy
Research highlights increased mortality risks among individuals with autism spectrum disorder, intellectual disability, or cerebral palsy compared to the general population. The study's findings can inform public health strategies to address health disparities and excess mortality associated with developmental disabilities.
Socioeconomic status and postpartum depression risk by state trigger laws after dobbs
A cohort study found a disproportionate increase in postpartum depression among women and adolescents in low-socioeconomic status communities following state abortion bans. The legislation disproportionately affects vulnerable populations, highlighting the need for targeted mental health support and policy interventions.
High-deductible health plans and mortality among cancer survivors
A cross-sectional analysis of nationwide population data reveals that high-deductible health plans are associated with worse overall and cancer-specific survival among cancer survivors. The study suggests that financial disincentives for medical care may lead to delayed or foregone necessary care, ultimately worsening cancer outcomes.
US individuals traveling from strongly blue or red US counties may favor everyday travel to like-minded destinations
A new study found that people from strongly liberal-leaning or conservative US counties prefer visiting like-minded destinations for everyday travel. This preference was observed even after accounting for factors such as income and race.
GLP-1 RAs and prior major adverse limb events in patients with diabetes
Treatment with glucagon-like peptide-1 receptor agonists (GLP-1 RAs) significantly lowers risks of limb events, cardiovascular events, all-cause mortality, and kidney disease progression compared to dipeptidyl peptidase-4 inhibitors in patients with diabetes. GLP-1 RAs are preferred for secondary prevention in this high-risk population.
Consumer food purchases after glucagon-like peptide-1 receptor agonist initiation
After initiating GLP-1 receptor agonists, consumers showed a decrease in ultraprocessed foods and an increase in protein, while purchasing fewer calories, sugars, and saturated fats. These modest changes may have significant population-level effects given increasing GLP-1RA use.
Study shows how kidnapping of athlete's father influenced society, president across continents
A study from the University of Kansas found that the kidnapping of Luis Manuel Díaz, father of Colombian soccer star Luis “Lucho” Díaz, resulted in coverage that portrayed his son as a national hero and cast doubt on peace negotiations. The media framing of the story had broader implications for the Total Peace initiative and the Petro...
Child poverty trends by race and ethnicity in the U.S. from 2022 to 2025
From 2022 to 2025, US counties saw a population-level decline in child poverty rates overall. However, Black and Hispanic children continued to experience disproportionately higher poverty rates compared to white children.
Thirty-year risk of cardiovascular disease among healthy women according to clinical thresholds of lipoprotein(a)
A cohort study found that very high lipoprotein(a) levels increased the 30-year risk of cardiovascular disease among healthy women. Screening for elevated lipoprotein(a) may be warranted in the general population.
Alcohol-related hospitalizations from 2016 to 2022
The study found a significant increase in alcohol-related hospitalizations between 2016 and 2022, with rising mortality rates and extended lengths of stay. Preventive efforts are needed to reduce population-level alcohol consumption and improve treatment outcomes for individuals with alcohol use disorder.
Exposure to multiple fine particulate matter components and incident depression in the US Medicare population
A cohort study found associations between exposure to multiple fine particulate matter components and increased depression risk among US Medicare population members. The study highlights the importance of targeted regulation to protect vulnerable populations from harmful air pollution.
New study guides climate modelers on partnering with Indigenous communities
A University at Buffalo researcher has developed a framework to help scientists incorporate community input into Earth system models, providing more accurate and relevant regional climate data. The framework outlines four levels of co-design, allowing modelers to incorporate local knowledge and observations directly into the model.
Subnational income inequality: Regional successes may hold key to addressing widening gap globally
A new study maps three decades of income inequality data globally, revealing worsening trends for half the world's population but 'bright spots' in regions with effective policies. Regional efforts such as investments in public health and education in India and cash transfer programs in Brazil show promise in reducing inequality.
Cost-effectiveness of cryopreserved vs liquid-stored platelets for managing surgical bleeding
A study found cryopreserved platelets to be a cost-effective option for managing surgical bleeding in cardiac surgery, dominating liquid-stored platelets in this setting. Further investigation is required to assess the economic benefits of cryopreserved platelets in broader populations.
Adverse experiences, protective factors, and obesity in Latinx and Hispanic youths
A recent study suggests that adverse childhood experiences may increase the risk of obesity in Latinx and Hispanic youths. The study found that promoting resiliency-focused skills may help improve pediatric weight trajectories among these populations, potentially mitigating the impact of adverse experiences on health outcomes.
Semaglutide and early-stage metabolic abnormalities in individuals with schizophrenia spectrum disorders
A randomized clinical trial shows that semaglutide improves glycemic control and weight outcomes in individuals with schizophrenia. The study suggests using glucagon-like peptide-1 receptor agonists as an early intervention strategy to reduce cardiometabolic risk in this population.
New study reveals spatial patterns of crime rates and media coverage across Chicago
A recent study analyzed crime data from 2017 to 2023 and found links between walkable areas and theft, dense road networks and higher crime rates, as well as disparities in media coverage of different crimes. The research aims to inform efforts to improve safety and provide more accurate information to the public.
Prevalence, characteristics, and genetic architecture of avoidant/restrictive food intake phenotypes
A substantial prevalence of avoidant/restrictive food intake was found in the general pediatric population, with affected children at risk of developmental difficulties across multiple domains. The study suggests a need for broad support interventions and advances understanding of the genetic underpinnings of this condition.
Social media detox and youth mental health
A 1-week social media detox in young adults was associated with reduced symptoms of depression, anxiety, and insomnia. The study's findings suggest a potential therapeutic benefit of reducing social media use for mental health concerns.
UTA study probes status of rural health care, hospitals
A new UTA study investigates the effectiveness of the Rural Emergency Hospital (REH) program in addressing healthcare disparities between rural and urban areas. The research reveals that despite initial enthusiasm, five hospitals have converted to REH status but one closed entirely just nine months later due to financial challenges.
Evaluation of a state-level incentive program to improve diet
A state-level incentive program aimed at improving diet in SNAP participants showed no significant increase in fruit and vegetable intake. However, the study found benefits among existing high-fruit-and-vegetable consumers. Enhanced implementation strategies may be needed to maximize public health outcomes.
Arsenic exposure reduction and chronic disease mortality
A study found that lowered arsenic exposure was associated with a decrease in mortality rates from chronic diseases among populations exposed to contaminated drinking water. The findings support the importance of reducing arsenic levels in drinking water for public health benefits.
Childfree people exist in developing countries
A study published in PLOS One found that childfree people exist in developing countries, with varying prevalence rates across regions. The researchers analyzed data from over 2 million people in 51 countries and found a strong link between human development and childfree rates.
Maternity care access and infant mortality
A population-based study found that county-level access to maternity care inversely associated with infant mortality risk. The study highlights racial and ethnic disparities in mortality risk between full-access and no-access counties among white infants only.
Study finds Kansas City fare-free bus policy attracted new riders, increased overall use
A study by the University of Kansas found that Kansas City's zero-fare bus policy attracted 17% of respondents who started using bus service, particularly among younger people and white residents. The policy also increased overall bus use, with new users without vehicle access making more trips per week than those with access.
Glucagon-like peptide-1 receptor agonists and age-related macular degeneration
A cohort study found that GLP-1 receptor agonist use was associated with a reduced risk of developing nonexudative AMD, but not progression to exudative AMD in individuals with nonexudative AMD. This study may inform future randomized trials evaluating the ocular effects of GLP-1RAs in nondiabetic populations.
Trial enrollment and survival disparities among patients with advanced epithelial ovarian carcinoma
Black and Asian patients were underrepresented in clinical trials, leading to worse survival outcomes compared to white counterparts, despite similar progression-free survival rates. Equitable enrollment is crucial for access to cutting-edge treatments and long-term equity in cancer care.
A direct-to-patient digital health program for lung cancer screening
A direct-to-patient digital health intervention increased lung cancer screening rates compared to enhanced usual care. The study's findings suggest that such interventions could improve lung cancer screening across diverse populations and healthcare settings.
‘Slums’ of Victorian Manchester housed wealthy doctors and engineers, new study reveals
A new study reveals that middle-class Mancunians, including doctors and engineers, lived alongside working-class residents in the same buildings and streets. The research found that over 60% of buildings housing wealthy occupational classes also housed unskilled laborers.
Pathogenic germline variants in cancer susceptibility genes
Researchers identified 5.05% of individuals carrying pathogenic variants in key cancer susceptibility genes, highlighting a significant association between these genetic variations and increased cancer risk. The study suggests that more extensive genetic screening for these genes may be warranted to identify high-risk individuals.
Spanish-language counseling cuts heavy drinking among latinx adults by 22%, UC San Diego study finds
A culturally adapted behavioral intervention delivered in Spanish by community health workers significantly reduced unhealthy alcohol use among Latinx adults. Participants showed nearly twice the reduction in heavy drinking days compared to those who received an educational booklet.
Cannabis use among individuals with psychosis after state-level commercial cannabis legalization
Individuals with psychosis reported a large increase in current cannabis use following legalization, exceeding previous estimates for the general population. This finding highlights the need for policymakers to consider the potential health impacts of cannabis use on individuals with psychosis.
U.S. Latinos hit new population and labor force records
The U.S. Latino population has reached a record high of 68 million, with a corresponding increase in the labor force to 35.1 million workers. This represents a 5.5% growth rate for Latinos and a 7.2 times faster growth rate compared to non-Latinos.
Population-level effectiveness and herd protection 17 years after HPV vaccine introduction
A 17-year study found robust population-level effectiveness of the HPV vaccine, even among sexually experienced adolescent girls and young women who may not have completed the vaccination series. The study's results suggest that the vaccine offers sustained herd protection against HPV-related diseases.
Alcohol consumption per capita and suicide
A systematic review and meta-analysis found a strong association between alcohol consumption per capita and an increase in suicide mortality rates. The study suggests that targeting alcohol consumption may be a useful strategy for comprehensive national suicide prevention efforts.
Decoding a decade of grouper grunts unlocks spawning secrets, shifts
Researchers analyzed over 2,000 hours of underwater recordings to detect subtle shifts in red hind spawning behavior and population dynamics. The study found a notable shift in the balance of mating calls over the 12-year period, with calls linked to competition becoming dominant.
Integrated behavioral health services and psychosocial symptoms in children
This cohort study found that receiving encounters with behavioral health clinicians and psychotropic prescriptions was associated with reduced psychosocial symptoms. The results suggest that expanding integrated pediatric behavioral health care could improve outcomes among vulnerable child populations.