Articles tagged with Human Population
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 genomic study by Dr. Mayana Zatz and colleagues reveals that Brazil's admixed population may hold the key to understanding exceptional aging. The study identifies over 8 million novel genetic variants in the Brazilian population, with potential protective mechanisms against age-related diseases.
Researchers argue that widely used proxies for aging may conflate genuine modifications with simpler effects on physiology. Targeting specific pathologies can extend lifespan without slowing aging process. Historically, increased human lifespan was primarily driven by reduced infectious disease mortality, not a fundamental slowing of a...
A novel study shows that US counties with limited digital tools, weaker support systems, and fewer healthcare resources exhibit poorer cognitive, mental, and physical health. The researchers found that counties with high resilience had significantly better outcomes, and that healthcare infrastructure is a key modifiable factor.
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.
A new study suggests that coyotes are more likely to overlap with humans in areas with high levels of open space, such as parks and golf courses. The analysis found that coyotes were attracted to areas with moderate levels of open space, like parks or golf courses, where they could find food and shelter. In contrast, coyotes may be les...
Scientists study ancient oyster populations to guide present-day restoration efforts. By analyzing shell size and breakage, researchers can interpret how intensively communities harvested oysters, shedding light on the challenges of rebuilding depleted reef ecosystems.
Researchers analyzed ancient teeth from 71 people in modern Syria to reconstruct mobility patterns of Neolithic farming villagers. They found that most people stayed local, but women were more likely to move between communities, suggesting complex social dynamics.
A genomic analysis of over 1,200 people from across South Africa reveals how colonial-era European, Indigenous Khoe-San peoples, and enslaved people contributed to the modern-day gene pool. European genes were more common in males, while Indigenous genes were more common in females.
A study by University of New Hampshire reports a significant increase in childless women, with 5.7 million more women of prime child-bearing age than expected in 2024. This shift has contributed to 11.8 million fewer births than expected over the past 17 years.
A study reveals how extremist groups exploit video games to recruit and radicalize impressionable users on gaming-adjacent platforms. The research highlights the challenges faced by moderators in detecting and reporting harmful content, and emphasizes the need for better understanding of these platforms and their subcultures.
Researchers warn that declining response rates and concerns about data accuracy are causing a 'quiet crisis' due to foreign aid cuts and COVID-19 disruptions. The lack of census data compromises public administration and can lead to inadequate resource allocation, resulting in pernicious effects.
Researchers found that humans increased their ability to exploit different habitat types in Africa around 70,000 years ago, paving the way for a successful dispersal into Eurasia. This ecological flexibility allowed human groups to adapt to challenging climates and overcome geographic barriers.
A comprehensive study found dementia rates were 25% higher in the Southeast compared to the Mid-Atlantic. The Northwest and Rocky Mountains had 23% and 18% higher rates respectively. These differences remained even after accounting for factors like age, race, and cardiovascular disease.
A groundbreaking NTU Singapore-led study has identified the earliest known Asian migrants who traveled over 20,000km from North Asia to South America. The GenomeAsia100K study reveals that these ancient humans arrived in the Americas approximately 14,000 years ago, diverging into four major groups and adapting to diverse environments.
A study analyzed per capita municipal expenditures and their correlation with population changes in small and medium-sized cities in Japan. The results revealed that prioritizing child welfare expenditures is a key strategy to sustain populations, while city planning expenditures on street maintenance and construction were also effective.
Researchers found that a fertility rate of at least 2.7 children per woman is needed to reliably avoid eventual extinction in small populations. A female-biased birth ratio can reduce extinction risk, helping more lineages survive over time.
A new study from Aalto University found that global population datasets may underestimate rural populations by as much as 53% to 84%, revealing a systematic and profound extent of the bias. The findings have far-reaching consequences, suggesting that the needs of people living in rural areas have been under-represented in decision-maki...
Researchers at the University of Zurich found that Swiss women had more children at the beginning of the COVID-19 pandemic due to better work-life balance and reduced economic uncertainty. However, birth rates have since fallen back, with young people being cautious about having children during the pandemic.
A new study published in PLOS Medicine estimates that the COVID-19 pandemic cost Europe 16.8 million disability-free years of life between 2020 and 2022. The study found that more than half of these lost years would have been lived without disability, highlighting the pandemic's long-term impact on older populations.
Researchers at West Virginia University found that babies born to teen mothers weigh less and are smaller for their gestational age. The study highlights the role of social, geographical, and educational factors in teen pregnancy prevention.
The We-ID project aims to understand the conditions for resilient democratic communities and develop practical recommendations for local stakeholders. Researchers will analyze the effects of migration on host communities and explore strategies to utilize the potential of a diverse population.
The book uses a 'history from below' approach to center the voices of petitioners, revealing how they framed their demands using language like justice, rights, and equity. Through over 4,000 petitions, Dr. Bright Alozie shows the significance of this genre in shaping colonial society and influencing decision-making.
A new study reveals gentrification's complex impact on residential communities in Seoul, Korea, finding that state-led urban change can lead to emotional displacement of residents. Meanwhile, property-led redevelopment has resulted in direct displacement and replacement of industrial clusters with high-rise residential construction.
The World Medical Association's revised Declaration of Helsinki sets new standards for human participants in medical research, emphasizing informed consent and minimizing risk. The updated principles aim to protect vulnerable populations and promote transparent research practices.
A recent study published in Nature Aging suggests that life expectancy gains are slowing down due to the detrimental effects of aging. The study found that life expectancy has increased only an average of six and a half years since 1990, contradicting some scientists' expectations.
A new study using a mammal model suggests that fitness loss through spontaneous mutations will not significantly affect human populations. The research indicates that even without natural selection, the rate of fitness decline is not a cause for concern, providing reassurance about human viability in the near future.
A new study reveals that palaeolithic hunter-gatherers on Cyprus are responsible for the disappearance of two species of megafauna: dwarf elephants and hippos. The research suggests that these small human populations could have driven both species to extinction due to their hunting practices.
A new study finds that pollution levels significantly impact households' decision to relocate within the US, with poorer families being priced out of healthier areas. Richer households, on the other hand, opt for cleaner environments, earning more than average in their new communities.
A new study suggests that climate change and ageing populations will widen regional disparities in death risk from hot and cold temperatures in Europe. By 2100, heat-related deaths are projected to increase significantly, mostly in southern regions, while cold-related deaths are expected to decline slightly.
Researchers studied the association of 12 immune cell types with epigenetic age acceleration in healthy and diseased populations. Their work sheds light on the complex interplay between immune cell composition and epigenetic aging.
The number of semaglutide prescriptions filled reached 2.6 million in 2023, with Wegovy accounting for most fills since its approval in June 2021. Most Wegovy fills were among commercially insured populations, despite the disproportionate burden of obesity in Medicaid and Medicare Part D.
A recent study found that 'gene misbehaviour' is a common phenomenon in the healthy human population, with over half of inactive genes showing misexpression. The researchers used advanced techniques to analyze blood samples from 4,568 healthy individuals and identified mechanisms behind these gene activity errors.
A population-level study found no increase in neonatal and infant mortality rates during the initial COVID-19 pandemic period. However, social distancing measures were linked to higher preterm birth rates with a lag period.
A study of nearly half a million women found that endometriosis was associated with a higher risk of ovarian cancer. The risk was particularly elevated among women with ovarian endometriomas or deep infiltrating endometriosis, with a 19-fold increased risk for certain types of ovarian cancer.
A new study from the University of Birmingham and Keele University found that people with Long COVID symptoms lasting over 28 weeks are three times more likely to leave employment. The research highlights the significant impact of Long COVID on individuals' employment outcomes, particularly for those who leave work.
A new study published in eClinicalMedicine reveals that migrants are at an increased risk of contracting SARS-CoV-2, experiencing severe disease courses, and having higher mortality rates. Systemic barriers such as overcrowding, precarious working conditions, and limited access to healthcare contribute to poorer health outcomes.
New research suggests that the plague may have contributed to the population decline of Stone Age farmers in Scandinavia and Northwestern Europe. Analysis of ancient DNA from bones and teeth found that 17% of individuals were infected with the plague, indicating its common presence during the late Stone Age.
The NTU team created a compact and flexible light-based sensing device, like a plaster, to provide highly accurate biomarker readings within minutes. The device detects glucose, lactate, and urea levels in sweat with ultra-high sensitivity and dynamic range.
A sociological study found that most young adults experience confusion in choosing life-partners, with women more likely to report this than men. The pervasiveness of social media and digital dating can distort the reality of available candidates, leading to impulsiveness and decreased in-person interactions.
Researchers used modern technology to estimate the number of rock gardens on Easter Island and food production, revealing that the island couldn't sustain a large population. The study's findings contradict the long-held notion of an ecological catastrophe and instead suggest a more sustainable approach to agriculture.
A Pusan National University study finds that heatwaves significantly impact public health among individuals with disabilities, increasing the risk of hospitalizations by 1.07 times. This results in a substantial economic burden, highlighting the need for well-informed public health policies to address these vulnerable groups.
Research by Osaka Metropolitan University suggests that converting vacant homes in old new towns into healthcare facilities can slow population decline. This urban transformation can enable older adults to remain in their communities, promoting healthy and connected living.
A new mathematical model developed by researchers at the Complexity Science Hub shows how diaspora size affects migration flows. The study reveals that people migrate to smaller destinations if their diaspora is present, highlighting the importance of social influence in shaping migration patterns.
Researchers found that Pleistocene hunter-gatherers settled in Cyprus around 14,257 to 13,182 years ago, suggesting the island was attractive for early human habitation. The rapid expansion of the population coincided with increased temperature, precipitation, and environmental productivity.
A study of hand sanitizer sales before, during and after the H1N1 swine flu pandemic found that supply and demand balances quickly, with retailers adapting to stockpiling behaviour. The research suggests there is no need for panic-buying and price gouging.
The prevalence of lung cancer mutations varies significantly across different ethnic groups in Latin America, highlighting the need for region-specific medical interventions. Enhancing molecular diagnostic and research efforts is crucial for effective management of cancer in this population.
Researchers analyzed data from over half a million UK participants to develop individualized estimates of ambient UVB levels, revealing key predictors of vitamin D status. The study highlights the need for personalized vitamin D supplementation guidelines based on ethnicity, age, sex, and other factors.
Researchers found better-than-expected life expectancy in two disadvantaged English areas, which is likely due to population changes. Local residents and professionals attribute the gains to factors such as increased housing affordability and town centre improvements, despite rising costs for existing populations.
Middle-aged and older adults believe that old age begins later in life, with increased life expectancy contributing to this shift. The study found that participants born in different years reported a later perceived onset of old age, but the trend has slowed in recent years.
Opioid-related deaths doubled between 2019 and 2021 across Canada, with over 1 in 4 deaths among young adults aged 20–39 years attributable to opioids. The concentration of harm in younger populations was consistent across provinces and territories.
A study in the Journal of Neuromuscular Diseases found that disease-modifying gene therapy treatments improve motor function, bulbar function, and pulmonary function in infants with spinal muscular atrophy. The real-world data from a large patient registry confirms improved safety profiles for early treatment opportunities.
A new study analyzing building footprints in US metropolitan areas identifies five distinct neighborhood types associated with varying socioeconomic and demographic traits. These neighborhoods differ in footprint size, shape, and placement, reflecting differences in population density, homeownership rates, and commuting habits.
A new study found that high-dose influenza vaccine significantly improved humoral response in patients with heart failure or prior myocardial infarction. Vaccination remains crucial in preventing influenza-related complications in high-risk populations.
The WVU Institute for Community and Rural Health is leading a five-year, $8.5 million cooperative agreement grant to support underserved farmers in West Virginia, Pennsylvania, Virginia, and North Carolina. The project aims to increase agricultural production, provide working capital, and create farm-to-institution markets.
A recent study by MIT scholars reveals that widely disseminated school quality ratings are heavily dependent on the preparation and family background of their students. The study finds that many schools with low ratings perform better than expected, and conventional ratings are highly correlated with race.
Researchers found a link between miscarriage and increased risks of developing gestational diabetes (44% higher) and pre-eclampsia (37% higher), but not with abortion. The study analyzed over 4 million pregnancies and suggests new ways to mitigate risks or prevent these conditions from progressing.
A new study reveals the Persian Plateau as a pivotal geographic location for Homo sapiens during their early migration out of Africa. The research highlights the plateau's significance as a hub for early human settlement, with genetic and palaeoecological evidence supporting its role in shaping human history.
A study published in The Lancet Regional Health – Europe found that 60% of stroke survivors experience depression within 18 years, significantly higher than the general population. Depression typically occurs within five years of surviving a stroke and can limit mobility and increase mortality.
The study found that 90.98% of participants obtained a definitive result from colorectal cancer screening, with 31.71% being normal and 5.49% having non-neoplastic polyps. The results suggest the importance of primary care physicians in promoting secondary prevention and informing the population about the program.
A new study by Harvard Pilgrim Health Care Institute reveals that nearly one-quarter of US counties had high heat-related emergency activation rates, with the South, Midwest, and Southwest being most affected. Vulnerable communities already at risk for cardiovascular disease were found to be particularly hard hit.