Articles tagged with Cohort Studies
Comprehensive exploration of living organisms, biological systems, and life processes across all scales from molecules to ecosystems. Encompasses cutting-edge research in biology, genetics, molecular biology, ecology, biochemistry, microbiology, botany, zoology, evolutionary biology, genomics, and biotechnology. Investigates cellular mechanisms, organism development, genetic inheritance, biodiversity conservation, metabolic processes, protein synthesis, DNA sequencing, CRISPR gene editing, stem cell research, and the fundamental principles governing all forms of life on Earth.
Comprehensive medical research, clinical studies, and healthcare sciences focused on disease prevention, diagnosis, and treatment. Encompasses clinical medicine, public health, pharmacology, epidemiology, medical specialties, disease mechanisms, therapeutic interventions, healthcare innovation, precision medicine, telemedicine, medical devices, drug development, clinical trials, patient care, mental health, nutrition science, health policy, and the application of medical science to improve human health, wellbeing, and quality of life across diverse populations.
Comprehensive investigation of human society, behavior, relationships, and social structures through systematic research and analysis. Encompasses psychology, sociology, anthropology, economics, political science, linguistics, education, demography, communications, and social research methodologies. Examines human cognition, social interactions, cultural phenomena, economic systems, political institutions, language and communication, educational processes, population dynamics, and the complex social, cultural, economic, and political forces shaping human societies, communities, and civilizations throughout history and across the contemporary world.
Fundamental study of the non-living natural world, matter, energy, and physical phenomena governing the universe. Encompasses physics, chemistry, earth sciences, atmospheric sciences, oceanography, materials science, and the investigation of physical laws, chemical reactions, geological processes, climate systems, and planetary dynamics. Explores everything from subatomic particles and quantum mechanics to planetary systems and cosmic phenomena, including energy transformations, molecular interactions, elemental properties, weather patterns, tectonic activity, and the fundamental forces and principles underlying the physical nature of reality.
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Study of the practice, culture, infrastructure, and social dimensions of science itself. Addresses how science is conducted, organized, communicated, and integrated into society. Encompasses research funding mechanisms, scientific publishing systems, peer review processes, academic ethics, science policy, research institutions, scientific collaboration networks, science education, career development, research programs, scientific methods, science communication, and the sociology of scientific discovery. Examines the human, institutional, and cultural aspects of scientific enterprise, knowledge production, and the translation of research into societal benefit.
Comprehensive study of the universe beyond Earth, encompassing celestial objects, cosmic phenomena, and space exploration. Includes astronomy, astrophysics, planetary science, cosmology, space physics, astrobiology, and space technology. Investigates stars, galaxies, planets, moons, asteroids, comets, black holes, nebulae, exoplanets, dark matter, dark energy, cosmic microwave background, stellar evolution, planetary formation, space weather, solar system dynamics, the search for extraterrestrial life, and humanity's efforts to explore, understand, and unlock the mysteries of the cosmos through observation, theory, and space missions.
Comprehensive examination of tools, techniques, methodologies, and approaches used across scientific disciplines to conduct research, collect data, and analyze results. Encompasses experimental procedures, analytical methods, measurement techniques, instrumentation, imaging technologies, spectroscopic methods, laboratory protocols, observational studies, statistical analysis, computational methods, data visualization, quality control, and methodological innovations. Addresses the practical techniques and theoretical frameworks enabling scientists to investigate phenomena, test hypotheses, gather evidence, ensure reproducibility, and generate reliable knowledge through systematic, rigorous investigation across all areas of scientific inquiry.
Study of abstract structures, patterns, quantities, relationships, and logical reasoning through pure and applied mathematical disciplines. Encompasses algebra, calculus, geometry, topology, number theory, analysis, discrete mathematics, mathematical logic, set theory, probability, statistics, and computational mathematics. Investigates mathematical structures, theorems, proofs, algorithms, functions, equations, and the rigorous logical frameworks underlying quantitative reasoning. Provides the foundational language and tools for all scientific fields, enabling precise description of natural phenomena, modeling of complex systems, and the development of technologies across physics, engineering, computer science, economics, and all quantitative sciences.
A recent study by Ritsumeikan University researchers analyzed the durability of flexible perovskite solar cells under damp heat conditions. The findings revealed that high humidity leads to degradation, while a high-quality barrier film retained most power conversion efficiency, making it crucial for long-term stability.
A cohort study from JAMA Network Open reveals an association between temperature exposure and increased psychiatric symptoms among adolescents in the Netherlands and Spain. The findings suggest a possible link between climate change and mental health, warranting further research across diverse climates.
A cohort study found COVID-19 to be associated with more severe disease outcomes compared to influenza and RSV during the 2022-2023 season. Vaccination attenuated these differences in severity and long-term mortality rates.
A significant increase in firearm-related hospital admissions was observed during the COVID-19 pandemic, with a 34% rise reported between 2020 and 2021. This surge had a disproportionate impact on vulnerable populations, including children, Medicaid patients, and Black individuals.
A cohort study found city-level sugar-sweetened beverage taxes associated with reduced mean body mass index (BMI) among adults. These associations were seen in demographic subgroups, including young adults who consumed the most SSBs.
A cohort study found that women experiencing food insecurity during pregnancy are at a higher risk of perinatal complications. Individuals who received food assistance showed no significant increase in risks, suggesting that access to nutrition support can mitigate these complications.
A new study aims to characterize the human virome, exploring its role in health and disease. The project will investigate nonpathogenic viruses and their potential impact on human phenotypes over time. Researchers hope to discover novel biomarkers for health and disease, as well as new therapeutic approaches.
A retrospective cohort study of 44,000 individuals found associations between baseline fasting glucose levels, age, sex, and body mass index with the development of diabetes. The study highlights individual variation in diabetes risk according to commonly measured clinical variables, suggesting potential for targeted interventions.
Research led by University of Arizona researchers found that PTSD and anxiety are associated with lower levels of anti-Müllerian hormone, a marker of ovarian reserve, among women firefighters. The study suggests that mental health conditions can have a negative impact on reproductive health.
Researchers found that individuals with childhood epilepsy have an increased accumulation of brain amyloid later in life, which may lead to late-onset brain amyloid disorders like Alzheimer's disease. The study also showed that these individuals performed worse in cognitive tests compared to controls.
A recent study published in JAMA Network Open found that females aged 40-55 years have the highest risk of developing long COVID, with a 31% higher associated risk compared to males. The research, part of the NIH RECOVER initiative, suggests that patients and healthcare teams should consider sex differences when treating long COVID.
A cohort study found that insurance plan type and structure play a crucial role in determining access to semaglutide for adults with obesity. The findings suggest that targeted interventions at the insurance level could improve equity in obesity treatment access.
A recent study found that effective pediatric obesity treatment is associated with lower incidences of mortality in young adulthood. The treatment was also linked to reduced long-term morbidity, such as type 2 diabetes, dyslipidemia, and hypertension.
A cohort study found that individuals with higher radon exposure are at a greater risk of developing gestational diabetes during pregnancy. The study suggests a potential link between radon exposure and metabolic health in nulliparous pregnant women.
A nationwide cohort study in Korea found that postdiagnosis weight gain is associated with an increased risk of heart failure after breast cancer development. Effective weight intervention can protect cardiovascular health, particularly within the first few years after diagnosis.
A recent study found that childhood maltreatment is associated with specific epigenetic patterns in sperm, which may mediate effects on offspring brain development. The study also reveals changes in sperm DNA methylation and small non-coding RNA molecules in men with high levels of maltreatment.
Researchers will expand on data gathered since 2008, uncovering insights into biologic, genetic, behavioral, environmental and social factors influencing Hispanic/Latino health. The study aims to inform targeted precision prevention and medical care in cardiovascular diseases and other conditions.
A new study has found that rates of chlamydia and syphilis plummet among people prescribed doxycycline for STI prevention in routine clinical care. The study used pharmacy data to determine which HIV PrEP users filled prescriptions for doxyPEP, with 2,253 people receiving the medication within its first year of availability.
A longitudinal cohort study reveals that early-life infection burden may continue throughout childhood, increasing the risk of future infections and antibiotics use. The findings suggest that high infection burdens in early life are independently associated with later antibiotic treatments.
A new study by UT Health San Antonio found that a smartphone app can help patients with opioid use disorder reduce their days of opioid use and stay in treatment longer. The app combined contingency management behavioral therapy and recovery support from peers, reducing opioid use by 35% compared to medication only.
A cohort study found a decrease in localized invasive breast cancer and regional invasive breast cancer since the 2009 guideline changes, but no decrease in advanced cancer stages. Further research is needed to understand these trends.
A cohort study found COVID-19 accelerates kidney function decline, particularly in hospitalized patients. Early monitoring and optimized management of chronic kidney disease can help prevent complications.
A longitudinal cohort study found that state cannabis legalization is associated with increased cannabis use disorder and poisoning diagnoses. Communities with increased access to cannabis may experience increased healthcare use and costs due to these rising diagnoses.
Researchers developed a prediction model for infected pancreatic necrosis (IPN) in acute pancreatitis patients, identifying high-risk individuals within 24 hours of hospital admission. The model achieved an area under the receiver operating characteristic curve (AUC) of 0.85, outperforming widely used scoring systems.
Women with gestational diabetes who engaged in moderate-to-vigorous intensity physical activity during pregnancy had a lower risk of preterm birth compared to those who were less active. Concentrated periods of physical activity also offered similar benefits in reducing preterm birth risk.
New research reveals racial differences in mortality rates, with Black newborns facing higher risks of necrotizing enterocolitis and late-onset sepsis. Addressing social determinants of health is critical for promoting health equity in hospital outcomes.
A cohort of 1,500 children found cardiovascular health scores began to decline at approximately age 10, associated with health behaviors. This study identifies modifiable health behaviors for prevention efforts to optimize CVH in early life and may contribute to disparities in adulthood.
Researchers at Brigham and Women's Hospital and Wyss Institute receive grant to expand diagnostic biomarker search, shedding light on asthma's unexplained causes. The team aims to develop a test distinguishing different forms of asthma, improving treatment courses.
A systematic review and meta-analysis of 96,000 adults found that higher daily step counts were linked to lower depressive symptoms. Further studies are needed to confirm the potential protective role of daily steps in depression.
A new UK study analyzed data from three generations of adolescents and young adults to assess preconception health trends. The study found that while some unhealthy behaviors like smoking and soda consumption decreased over time, rates of overweight and obesity increased across the generations.
A cohort study found no association between high dementia risk among former professional soccer players and modifiable general health and lifestyle factors. The study supports continued measures to reduce exposure to repetitive head impacts and traumatic brain injury in sports.
Early-life surgical removal of tonsils or adenoids associated with increased risk of future stress-related psychiatric disorders. Adenotonsillar diseases may play a role in development of these conditions.
Population-level improvements in total cholesterol and triglyceride levels slowed, while adverse trends in glucose levels accelerated in more recent US birth cohorts. Public health initiatives targeting antecedent health behaviors are needed to improve cardiometabolic health across generations.
A recent study published in Nature Communications Medicine found that around 25-30% of young people met the research definition of long Covid 24 months after their initial PCR test. However, 70% of those who had long Covid three months after the infection had recovered within two years.
A new study from the University of Zurich analyzed data from over 28,000 caregivers and found that longer caregiving periods lead to a consistent decline in life satisfaction, emotional health, and anxiety. Women were particularly vulnerable to these negative effects.
Researchers found a novel link between aortic stenosis and insulin resistance, with certain biomarkers increasing the risk of the disease. The study's findings suggest that managing metabolic health could be a new approach to reduce the risk of AS and improve cardiovascular health in aging populations.
A significant drop in cervical cancer mortality among US women younger than age 25 has been observed, according to a recent study published in JAMA Network. The findings indicate that widespread HPV vaccination is driving this decline, reducing the prevalence of HPV infection and subsequent cervical cancer incidence.
A cohort study found that nearly half of participants who consumed alcohol at baseline decreased their alcohol use after initiating anti-obesity medication treatment. The medications, such as naltrexone and glucagon-like peptide-1 receptor agonists (GLP-1 RAs), may have properties that lead to reduced cravings for alcohol.
A systematic review and meta-analysis found a slightly higher likelihood of androgenetic alopecia among individuals who consume alcohol, but the association is not statistically significant. The study suggests that further research is needed to clarify whether alcohol impacts AGA risk.
The study found that irritability was the most common systemic reaction in children under 2 years, followed by fever and fatigue or sleepiness. Maternal vaccination is thought to be a factor in the higher prevalence of reactions after the first dose.
A cohort study found that long-term exposure to wildfire and fine particulate matter was associated with dementia diagnoses. The study suggests that reducing wildfire PM2.5 exposure could decrease dementia diagnoses and address health disparities.
A cohort study reveals racial and ethnic variations in early-onset colorectal cancer mortality, with Native Hawaiian or Other Pacific Islander and non-Hispanic Black individuals facing the highest burden. Social determinants of health play a significant role in explaining these disparities.
A pooled analysis of four multinational cohort studies found consistent associations between physical activity and reduced all-cause mortality risk throughout adulthood. The promotion of regular physical activity is essential for reducing mortality risk at all stages of adult life.
A population-based matched cohort study found that preterm birth is associated with higher mortality risks until the third and fourth decades of life. These findings suggest that preterm birth should be recognized as a risk factor for mortality, informing preventive strategies.
A study found that maternal immune activity during pregnancy affects offspring's long-term memory circuitry and function in childhood and midlife. Elevated levels of IL-6 and TNF-a in mothers were linked to adverse brain activity in memory circuitry, particularly in postmenopausal women.
The large cohort study identified common pregnancy complications, such as premature rupture of membranes and gestational diabetes mellitus, affecting 18.29% and 16.74% of participants, respectively. High-risk groups were also identified, including women with assisted reproductive technology and those aged 35 and older.
A study of 831 pregnant women found that only 36% adhere to folic acid supplementation recommendations, with low folate and vitamin B12 status detected in nearly half. Deficiencies can cause miscarriage, malformations, and other health problems.
A large cohort study found that young adults with type 2 diabetes ages 20-39 who had low incomes were more likely to die prematurely. The study highlights the need for socioeconomic support to address income-related health disparities among younger individuals.
A cohort study found asthma to be associated with memory difficulties in children, which may impact executive function abilities. Earlier asthma onset is likely to exacerbate these effects.
Researchers are analyzing survey and administrative data from over 58,000 military personnel to examine the impact of cumulative psychosocial stress on cardiovascular health. The study aims to identify specific stressors that contribute to heart disease disparities among racial and ethnic groups.
A groundbreaking 25-year research program has unveiled key insights into how our brains age and what factors influence cognitive performance throughout life. Childhood cognitive ability is found to be a significant predictor of intelligence test scores in older age.
A longitudinal cohort study found no significant associations between prenatal SARS-CoV-2 infection and child neurodevelopment outcomes in the first two years of life. Follow-up research is needed to determine if these effects persist into later childhood.
A retrospective cohort study found associations between COVID-19 and the long-term risk of various autoimmune and autoinflammatory connective tissue disorders. Long-term monitoring and care are crucial to mitigate these risks, taking into account demographic factors, disease severity, and vaccination status.
A cohort study found that hospital COVID-19 burden was associated with an increased risk of in-hospital adverse effects among patients with and without COVID-19. The results highlight the importance of hospitals having greater resilience and surge capacity to prevent declines in patient safety during surges in demand.
Light ex-smokers experience a CVD risk reduction similar to never-smokers within years of smoking cessation. Heavy ex-smokers require longer periods, up to 25 years, for their residual CVD risk to align with that of never-smokers.
This prospective cohort study found that evidence-based smoking cessation treatment within 6 months of a cancer diagnosis significantly improves survival outcomes. Smoking cessation is an essential early clinical intervention for patients with cancer, supporting the maximization of survival benefits.
Elevated body mass index (BMI) was associated with a significantly increased post-acute sequelae of SARS-CoV-2 infection risk. The study highlights the need for targeted care to prevent chronic conditions in at-risk children and young adults.
A cohort study found that postacute infection syndrome is not exclusive to COVID-19, but it can also occur in people with other severe lower respiratory tract infections. COVID-19 appears to exacerbate neurological, cognitive, and fatigue symptoms compared to other LRTIs.
Non-Hispanic Black patients are more likely to receive inadequate care and experience poor survival outcomes due to delays in treatment initiation. Guideline-concordant care is crucial in improving survival rates among these patients.
A cohort study of children with vesicoureteral reflux found that glomerular filtration rate changes after urinary tract infections. The study used data from the Children With Vesicoureteral Reflux trial to assess estimated glomerular filtration rate changes in participants with vs without recurrent UTIs.