Articles tagged with Population Studies
Researchers analyzed de-identified medical claims covering 6.3 million North Carolinians, revealing significant overall spending of $50 billion per year. Key takeaways include geographic variation, cost variation by payer type, and spending variation by service category.
A new study analyzed data from over 825 trauma centers in the US to identify factors associated with withdrawing life-supporting treatment in patients with severe traumatic brain injury. The findings suggest that demographic and clinical characteristics play a significant role in these decisions.
A recent study found that women diagnosed with ductal carcinoma in situ (DCIS) are at a significantly higher risk of developing invasive breast cancer and dying from breast cancer, even up to 20 years after diagnosis. The risks were more than double those of the general population.
Serological assays detect SARS-CoV-2-specific antibodies in recovered individuals' blood, informing prevalence and immunity questions. Studies must better address the limitations of these tools to inform accurate decisions about deploying the workforce.
A newly identified metabolic signature can evaluate an individual's adherence and metabolic response to the Mediterranean diet, indicating future CVD risk. The signature consists of 67 metabolites that were highly reproducible across different study populations.
Women with postpartum psychiatric disorders are less likely to have more children, with 69% still choosing to have a second child. The study found that nearly half of women with psychiatric problems had a reduced live birth rate due to hospitalization or fear of relapse.
Patients with multiple chronic conditions who completed a patient-centered medical home program had more positive experiences and better health outcomes. Nurse care coordinators played a crucial role in the program's success, helping develop individualized care plans that met patients' unique needs.
A population-based study found that young immigrants and refugees in Ontario, Canada, are at higher risk of experiencing violent assault compared to nonimmigrant youth. The study used linked health and administrative databases to analyze the risk of violent assault among young immigrants and refugees aged 10-24.
The study found associations between parenting stress and lower household income with increased screen exposure among toddlers. Lower household income was also linked to more frequent feeding of children during screen time, contributing to excessive screen use.
A study by Scripps Research Institute found that resting heart rates vary widely between individuals, with norms differing by up to 70 beats per minute. Despite this variability, rest heart rate remains relatively consistent over time, holding potential for early detection of health changes.
A study from Michigan State University and the Max Planck Institute suggests that a partisan Congress is more productive than bipartisan groups. The research used mathematical programming models to analyze coalitions of lawmakers, finding that partisanship often helps bills pass into law.
A new study from University of Pennsylvania sociologist Wendy Roth found that DIY DNA tests do not lead to a greater belief in racial essentialism. However, those who understand more about genetics going in become more skeptical, while those with less understanding believe in essentialism more strongly.
A new study of Asian genes aims to improve disease treatment and care by shedding light on human migration history. The research will create detailed reference databases for Asian populations, helping medical researchers identify genetic differences that can cause diseases.
A Danish study found that low lymphocyte counts are associated with a 60% increase in death from any cause. Participants with lymphopenia were at high risk of dying from all-cause mortality, including age-related risks.
A retrospective study of 432,828 veterans patients found that frail individuals had higher mortality rates after low-stress and moderate-stress surgeries. The 30-day mortality rate among frail patients after a low-stress procedure was 1.55%, significantly higher than the 1% often used to define high-risk surgery.
A review of case-control fecal gut microbiome studies in Parkinson's disease found varying results, but replicated findings include an increase in Verrucomicrobiaceae and Akkermansia. The researchers recommend integrating existing data to address confounders and propose future studies focus on biomarkers for PD diagnosis.
Researchers found slower cell division rates in people between ages 80 and 89 compared to those between 20 and 29, potentially explaining age-related cancer decline. Mice did not exhibit similar age-dependent cell division slowdown.
A study published in Nutrition and Cancer found that consuming sofrito, which includes onions and garlic, was associated with a reduced risk of breast cancer. Women who ate sofrito more than once per day had a 67% decrease in risk compared to those who never ate it.
The study found that men and women experience different comorbidities as having diabetes or prediabetes, including a higher rate of prediabetes among children. Prediabetic women showed a higher prevalence of osteoporosis and depression compared to men.
A population-based study of nearly 452,000 men and women from 10 European countries found that consuming two or more glasses per day of soft drinks was associated with a higher risk of death. The study also linked high sugar-sweetened soft drink consumption to increased mortality from circulatory diseases.
A recent study used genome analysis to explore Scottish and island populations. The research identified distinct genetic clusters within Scotland, with most Scots sharing ancestry from the northeast or southwest regions.
A new study of 38,537 persons suggests that the rare APOE-ε2 variant is associated with prolonged survival, contrasting with the more widely studied APOE-ε4 variant. The findings could lead to novel preventive and treatment options for healthy aging and longevity.
A national study found that the 2016 US presidential election was associated with an increase in preterm births among Latina women, with nearly 1,342 additional male and 995 female preterm births recorded after the election. The study suggests potential links to anti-immigration policies.
A study published in the Canadian Medical Association Journal found that quitting alcohol can lead to improved mental well-being and health-related quality of life, particularly among women. The study analyzed data from over 10,000 participants and suggested that moderate drinking may not have the same benefits as previously thought.
A new Northwestern University study found that biracial individuals are stereotyped as attractive and not fitting in, regardless of their specific racial background. The researchers examined six different biracial groups and found no systematic patterns in how people stereotype them.
Erectile dysfunction affects a significant portion of the global population, with estimates ranging from 3% to 76.5%. Early detection and screening may improve quality of life and prevent cardiovascular disease.
A team of scientists collected non-invasive samples from lynx in Turkey, revealing unexpectedly high genetic diversity and low inbreeding rates. Females stay within their birth territories while males disperse after separation from mothers.
A new model suggests that declining fertility rates in young Neanderthal women could have contributed to the population's decline and eventual extinction. The study used demographic modeling to explore possible scenarios, finding that a decrease in fertility rates of just 2.7 percent could have led to extinction within 10,000 years.
A new Finnish study published in the American Journal of Clinical Nutrition found that dietary cholesterol and moderate egg consumption are not associated with an increased risk of stroke. The study, which followed 1,950 men for 21 years, also found no association between these factors and stroke risk in carriers of the APOE4 phenotype.
A study by Johns Hopkins Medicine and partners found that a simple performance evaluation letter can reduce unnecessary tissue removal in Mohs micrographic surgery for skin cancer. The intervention led to an improvement in surgical behavior, sustained for one year, with 83% of notified physicians reducing their practice.
Access to broadband internet increases fertility rates among higher-educated women by 8.7% compared to 7.2%, with improved work-life balance due to teleworking and part-time working. This effect is less pronounced for lesser-educated women, highlighting a digital divide.
Researchers have reconstructed an 8,000-year genetic history of the Iberian Peninsula using ancient DNA from over 270 individuals. The study reveals complex population structures and unexpected interactions with North Africa and the Pontic-Caspian steppe.
Researchers used next-generation sequencing to identify additional DNA markers in the carob tree, increasing resolution for population genetics studies. This approach shows promise for analyzing species with limited genetic diversity, including those that underwent strong bottlenecks.
A new study finds that the US has the highest rates of drug overdose mortality among high-income countries, with a rate 3.5 times higher on average. The country's overdose death rate has increased rapidly over the past decade, outpacing other nations.
Research from the Singapore Chinese Health Study found that high-quality diets rich in plant-based foods and low in red meat and sugar-sweetened beverages were inversely associated with risk of diabetes. Participants who followed these healthy dietary patterns had a 16-29% reduced risk of developing type 2 diabetes.
A new study shows that crowdsourcing audience judgments about news source quality can identify and marginalize online misinformation. The study found that both Democrats and Republicans distrust hyperpartisan sites, with low trust ratings across the board.
A systematic review and meta-analysis found that caring for preterm babies in single family rooms reduces the incidence of sepsis and improves exclusive breastfeeding rates compared to traditional open ward neonatal units. However, long-term neurodevelopmental outcomes were not significantly different between babies cared for in single...
A pay-it-forward model increased gonorrhea and chlamydia testing among Chinese gay men, with 54% opting in compared to 6%. The program identified previously untested individuals and may be a promising strategy for integrated HIV/STD testing.
A study by Johns Hopkins Medicine found that underrepresented populations are less likely to be eligible for hip or knee replacement surgeries due to inflexible hospital requirements. The researchers aimed to measure how these criteria worsen health disparities and identify disadvantaged groups affected.
A study by Binghamton University researchers found that individuals who prefer casual sex still desire intimacy and affection. The study revealed that partners were more likely to engage in intimate activities in romantic relationships than in casual sex, but the rate of these acts in casual sex was higher than expected.
Researchers found that frequent sauna users had a significantly lower risk of cardiovascular death compared to infrequent users. The study, which followed over 1,600 participants for 15 years, also found that longer sauna sessions were associated with lower mortality rates.
Researchers found that traditional personality traits, like the Big Five, may not be universal across cultures. To improve psychological science, experts recommend considering socioecological theory and diversifying study samples from non-Western populations.
To achieve an 80% HPV vaccination rate by 2026, 14.39 million more US adolescents will need to receive the vaccine, with a disproportionate burden among males, whites, and privately insured teens. The majority of those who haven't been vaccinated yet had opportunities to do so during wellness visits.
Researchers found that listening to a speaker repeat a belief increases its believability, especially for those with existing beliefs. However, hearing accurate information overrides myths for those on the fence. The study's findings have potential implications for policymakers seeking to correct misinformation in vulnerable communities.
A 10-year study found that bird diversity in Honduras cloud forests is moving higher in elevation, driven by globally rising temperatures and land protection limitations.
A recent study has found that consuming more phosphate with food increases blood pressure and pulse rate in healthy young adults. The study, published in the Journal of the American Society of Nephrology, suggests that increased phosphate intake can lead to an increased risk of developing cardiovascular disease.
Agriculture arose from moments of environmental surplus and improving conditions, where populations lived in greater densities. The study, published in Nature Human Behaviour, reveals common patterns across 12 centers of origin, with maps predicting global population densities dating back thousands of years.
A study identifies genetic variants related to consonant processing, dyslexia, and reading performance. Variations in the READ1 sequence are tied to modern human-specific changes acquired between 4 million and 550,000 years ago.
Researchers have identified three distinct macrophage populations that play different roles in the development of atherosclerosis. These findings provide new insights into the disease and may lead to improved treatments. The study used single-cell RNA sequencing to analyze immune cell populations in affected vessels.
A study of 2,500 participants found that deployment to combat units was associated with lower odds of e-cigarette use. Soldiers who perceived e-cigarettes as less harmful had a 61% reduction in risk of using them.
A study of 302 postmenopausal women found that prescribed vaginal estradiol hormone tablets and over-the-counter vaginal moisturizer didn't improve symptom relief or sexual function compared to a placebo. The researchers conclude that a better understanding of the underlying mechanism is needed to develop more effective treatments.
A recent study published in Alimentary Pharmacology & Therapeutics found that long-term proton pump inhibitor (PPI) use does not increase the risk of hip fractures among people with Alzheimer's disease. The study followed a cohort of over 4,800 participants and analyzed their medication use.
A 40-year study quantifies Bt corn's benefits for offsite crops like sweet corn, peppers, and green beans, showing 90% European corn borer population suppression. The adoption of Bt corn reduces spraying regimens and overall crop damage by up to 90%.
New studies suggest that concentrating control measures in high-incidence districts and areas surrounding cholera victims' homes can significantly reduce the disease's impact. By targeting these hotspots, Africa could cut its cholera burden by 50 percent.
A study published in CMAJ found that older age at immigration and emigration from regions with high TB incidence increase the risk of TB in Canada. Latent TB screening and treatment are suggested as practical solutions to reduce TB incidence in these high-risk groups.
A new U.S.-wide report card ranks all 50 states on their maternity care quality, revealing a strong connection between midwifery integration and improved birth outcomes. States with high midwifery integration scores tend to have lower rates of premature births, cesarean deliveries, and newborn deaths.
The international team's roadmap outlines research directions to boost human radioresistance through gene therapy, radioprotective mechanisms, and regenerative technologies. This could extend the healthspan of spacefarers and enable safe long-term space colonization.
A new study of over 6,000 first-graders across four US communities has found a significant number of children have fetal alcohol spectrum disorders (FASD), with conservative rates ranging from 1 to 5 percent. FASD is an umbrella term for health effects caused by prenatal alcohol exposure.
Experts say pay for performance programs have limited effect, with no significant difference in mortality rates between early and late adopters. The study suggests that increasing incentives and focusing on key measures may improve outcomes.
A population-based study of patients with hip fracture surgery and elective total hip replacement found that overlapping surgery was associated with an increased risk for complications, especially in nonelective procedures. The duration of the surgical overlap appeared to increase the risk.