Articles tagged with Human Population
A large US study of over half a million adults found that BMI was not significantly linked to increased all-cause mortality in most cases. The study suggests that further research is needed to fully understand the relationship between BMI and mortality risk, particularly among younger adults.
Researchers warn that exploding wild pig and macaque populations in Southeast Asia pose significant zoonotic disease risks to humans. The study, led by the University of Queensland, found that these animals can carry diseases that can be transmitted to people, highlighting the need for urgent management solutions.
A new study by University College London researchers estimates that between 150,000 and 500,000 adults aged 20-49 and 250,000 to 600,000 adults over 50 may be undiagnosed with autism. This brings the total autistic population in England to over 1.2 million, approaching double the government's cited figure.
A new study by UC San Francisco found that California's emergency department capacity has not kept up with patient demand, leading to long wait times. The number of high-severity visits increased by nearly 68 percent, while low-severity visits declined by 63 percent.
A study of 142 nations found a strong link between access to formal financial services and lower COVID-19 mortality rates. Access to bank accounts, credit cards, or loans from a financial institution is a key predictor of lower mortality risk, even stronger than comorbidities.
A retrospective analysis of national data found that over 20 million Americans experienced loss of smell or taste after COVID infection, with a large portion never fully recovering these senses. The study estimated that almost 28 million Americans may be left with decreased sense of smell after COVID infection.
A new UK survey study led by Lancaster University found that 6.6% of the population aged 16 and over changed their reported sexual identity over a six-year period. The research challenges the assumption that sexual identity mobility declines with age, revealing that it is as prevalent among over-65s as young people.
A study by University of Missouri researchers found similarities in COVID-19 mortality rates between certain US states and Canadian provinces, highlighting the importance of localized public health strategies. The findings suggest that factors such as population density, age, and socioeconomic conditions may have contributed to these s...
A new study reveals the molecular structure of UCP1, allowing scientists to develop therapeutics that activate it to burn excess calories. This breakthrough could combat obesity and related diseases like diabetes by activating brown fat tissue.
A new study maps French Canadian populations using a unique dataset of over five million records spanning 400 years, revealing the complex relationship between human migration and genetic variation. The research shows that the genetic structure of French Canadians is encoded within its genealogy.
A nationwide VR research project is working to create diverse groups of participants to reflect real-world social dynamics. The Virtual Experience Research Accelerator (VERA) aims to provide researchers with access to large, reliable, and diverse groups for various VR research projects.
Researchers investigate whether pregnant mothers' exposure to toxic metals affects kidney development in their babies, which may set the stage for chronic kidney disease. The team aims to identify key combinations of metal mixtures that could have detrimental effects on developing kidneys.
A growing number of people worldwide will be affected by low back pain by 2050, with Australia facing a nearly 50% increase. The study highlights the need for effective prevention and management strategies to address this growing burden.
Current measures to protect grasslands in the Qinghai-Tibetan Plateau are damaging the ecosystem and should be stopped. Small burrowing mammals, like the plateau pika and zokor, play crucial ecological roles in maintaining ecosystem health and biodiversity.
A recent study published in Nature challenges traditional views on human origins in Africa, proposing that modern humans emerged from the interaction of multiple populations across the continent. By analyzing genomic data from diverse African groups, researchers found evidence of gene flow and mixing over hundreds of thousands of years.
A new study using ancient DNA from northern and central Mexico reveals population continuity despite drastic environmental change, providing new insights into the region's demographic history. The research also identifies two 'ghost' populations contributing to pre-Hispanic populations, revealing a complex demographic landscape.
A USC researcher and international team identified consistent DNA base pairs across 240 mammals, including humans, that play a key role in human disease. These 'constrained' base pairs remained generally consistent over millions of years of evolution and are significantly linked to genetic variation.
Researchers found that heavy alcohol use and the presence of metabolic syndrome were associated with a higher risk for advanced liver disease. The study suggests an increasing interaction effect between MetS, heavy alcohol use, and a recent surge in alcoholic liver disease-related mortality.
The Southwest Rural Health Research Center's survey highlights mental health and addiction as rising concerns in rural areas, while access to quality healthcare remains a significant issue. Economic stability is also a key priority, reflecting the impact of poverty on healthcare access.
A new study reveals that the earliest Sapiens migrated to Europe in three distinct waves, sharing cultural traditions with ancient Lebanese and French artifacts. The findings challenge previous assumptions about human arrival in Europe and provide insight into the gradual replacement of Neanderthals.
A new study reveals Ukraine's population is declining at an alarming rate due to low fertility, high mortality, and emigration. The crisis has worsened since the Russian invasion, leaving cities devastated and residents displaced.
A team of experts identified 29 sources of bias in AI/ML models for medical imaging, including data collection, preparation, and deployment. The study provides a comprehensive roadmap for mitigating these biases and ensuring fairness, equity, and trust in AI/ML models.
The University of Central Florida has developed the Virtual Experience Research Accelerator (VERA), a large-scale system for extended reality human subjects research. This project aims to facilitate human subjects research and improve extended reality technologies, making them more inclusive for underrepresented groups.
A 25-year longitudinal cohort study revealed that youths involved with the juvenile justice system have a significantly increased risk of firearm mortality, with rates varying by sex, race, and ethnicity. Sixteen years after detention, nearly one-quarter of Black and Hispanic males had been injured or killed by firearms.
The 18th Key Symposium on Healthy Ageing and Longevity takes place in Okinawa, bringing together world experts to discuss the latest research on blue zones. The symposium aims to promote both longevity and healthy ageing to reduce age-related diseases and healthcare burden.
A nationwide survey in the Central African Republic found a severe health emergency with a 5.6% mortality rate, four times higher than UN estimates, and widespread malnutrition, food insecurity, and violence, with 82.3% of households reporting adults ate ≤1 meals per day
Researchers discuss rapamycin's potential to delay cancer onset by slowing cell proliferation and tumor progression. The mTOR pathway is involved in both cancer and aging, making rapamycin a promising chemopreventive agent.
A recent study found that the COVID-19 pandemic significantly increased mortality rates among people with intellectual disabilities, with a disparity of five times higher than in the general population. This increase was not limited to COVID-19-related deaths but also affected other conditions such as cancer and mental health disorders.
A recent genetic study found that antibiotic resistance is driven by geographic, demographic, diet, and lifestyle factors. Researchers analyzed the microbiome of a large Finnish population sample and discovered associations between food consumption, geographical location, and ARG abundance.
Researchers found that higher selenium levels were associated with lower blood pressure and HDL concentration in middle-aged women. The study suggests that selenium may moderate the effect of genetic variants on MetS components, such as waist circumference.
A new study found that the COVID-19 pandemic led to steeper declines in fertility rates in some US states than others, with factors like income inequality, racial composition, and political leaning playing a significant role. States with stronger social distancing responses and liberal politics experienced larger fertility rate declines.
Research from the University of Kansas shows that families in Washington D.C.'s school choice policy are making choices that perpetuate segregation. Despite having more opportunities for integration, white families are returning to city centers and using tactics such as gaming the lottery system to secure spots in desirable schools.
African provinces' inclusive wealth per capita rose modestly by 1% between 2012 and 2018, signaling weak sustainability performance. The study highlights the tradeoffs between income and natural capital growth, emphasizing the importance of harmonizing national and subnational interventions.
New research reveals a worrying picture of rising infectious disease cases in the Kharkiv region of Ukraine, with shigellosis and viral meningitis incidence significantly higher than the national average. Childhood vaccination coverage has also plummeted, putting vulnerable populations at increased risk of severe illness and death.
The LSU Health New Orleans Louisiana Tumor Registry released the sixth report of statewide cancer incidence rates by census tract, finding that 81% of tracts met criteria for all cancers combined. Census tracts with statistically higher incidence rates were found in parishes including Orleans, Lafourche, and St. Bernard.
A revolutionary investigation has shed light on pioneering female migrants who arrived in Orkney during the Bronze Age. Ancient DNA analysis revealed a major influx of non-local people, dominated by women, challenging previous assumptions about the archipelago's influence during this period.
A recent study found that genetic risk scores are more predictive of Alzheimer's disease in adults over 65 than age. The study used machine learning models to rank risk factors, including household income, which emerged as an important risk factor. The findings suggest considering genetic information when working on Alzheimer's disease.
Researchers developed a model to track COVID-19 data, predicting transmission and informing health surveillance systems. The model successfully predicted the spread of COVID-19 in Cali, Colombia, highlighting the importance of high-resolution data in understanding virus dynamics.
Global efforts to track HIV and HCV incidence among people who inject drugs are necessary to validate targets for ending the epidemics by 2030. The research highlights the importance of prioritizing this population in prevention and elimination work, particularly for vulnerable subgroups like young people and women.
Researchers from the Earth4All initiative project that global population could peak at 8.5 billion people by mid-century with unprecedented investment in poverty alleviation. The team's analysis also suggests that extreme poverty can be eliminated in a generation, leading to a decline in global population trends.
Researchers analysed wastewater from 10 cities to detect chemical and biological markers of health, including pesticides, pharmaceuticals and disease-causing viruses. The study found that analysing wastewater on a large scale could spot new outbreaks of diseases in communities early on.
A recent review article highlights the significant impact of cancer on Hispanic patients and their caregivers, citing communication barriers, financial difficulties, and sociocultural issues. The study estimates 126,000 new cancer cases diagnosed yearly in Hispanics, placing a substantial burden on family members and friends.
A University of Ottawa study found that almost two-thirds of Canadians with stroke experience disturbed sleep, and those affected are up to 7 times more likely to report multiple sleep problems. The study highlights the need for better awareness and guidance on managing sleep disorders in stroke patients.
A remote hypertension program, operated by Mass General Brigham, successfully supported patients through the COVID-19 pandemic in achieving their blood pressure goals. Participants who enrolled during the pandemic reached and maintained their goal blood pressures an average of two months earlier than in the pre-pandemic period.
A recent study published in JNCCN found that the lack of genomic research for people with African ancestry is hindering efforts to reduce disparities in prostate cancer outcomes. The researchers evaluated molecular genetic results for 113 Black South African men diagnosed with advanced prostate cancer, identifying 17 pathogenic and pot...
Researchers found smart senior towns scored higher on every quality-of-life dimension compared to vulnerable senior towns, citing better medical services, shopping options, housing, child services, and entertainment venues. Small towns with a larger population tend to support more resources for community foundations and local services.
A new analysis finds that Canada's physician workforce is facing significant challenges due to an aging population and decreasing working hours. The study suggests that traditional metrics for workforce planning are misleading, and a more nuanced approach is needed to inform government and medical profession decisions.
A recent study by Xi'an Jiaotong-Liverpool University found that ethnic minority parents in Inner Mongolia prefer evidence-based knowledge on family education tailored to their local environment and culture. They sought information on how geographical features like the geomagnetic field influence children's growth and well-being.
A new study found that military veterans are at higher risk of developing human papillomavirus (HPV)-related cancers due to low vaccination rates. The study suggests that 'catch-up' HPV vaccination campaigns are needed to boost vaccination rates among veterans and reduce deaths from these largely preventable cancers.
A genomic study of 180 indigenous Africans provides new insights into human history, biology, and population diversity. The research sheds light on the origin of modern humans, African population history, and local adaptation, including traits such as skin color, heart development, and immunity.
Researchers found that Black men have a higher mortality rate after surgery compared to other groups, with a 50% higher risk of death after elective procedures. The study suggests that structural racism, poor pre-operative care, and exposure to toxins may contribute to these disparities.
A new study found that social workers experienced high rates of depression, PTSD, and anxiety during the pandemic, with 40% reporting depression - a rate 4 times higher than the general population. The study highlights the need for trauma-informed approaches and strong mental health supports for staff to sustain the profession.
Researchers analyzed 183 million buildings in 6,000 African cities and found that a city's shape affects its energy demand. Double the population means triple the energy costs due to increased commuting distances and pollution.
New research on malaria-infected bonobos shows that the infection harms them, too, with symptoms including fever and increased mortality risk. The study also finds that bonobos have a protective variant of an immune gene similar to one found in humans, suggesting a selective advantage for those individuals.
Computer scientists designed a reconstruction attack that proves US Census data can be exposed and stolen with current privacy measures. The study demonstrates risks to individual respondents' privacy, highlighting the need for differential privacy techniques to protect sensitive information.
A new study of rhesus macaques found that older female macaques have fewer friends, reducing their ability to transmit knowledge outside their social circles. This decline in cohesion and connection has significant consequences for network structure, potentially affecting information transmission and cooperation.
Researchers confirmed the first cases of canine distemper virus in tigers and leopards in Nepal, which can cause fatal neurological disease. The study found that 11% of tigers and 30% of leopards had antibodies to CDV, indicating prior infection with the virus.
Researchers propose using engineering principles to raise island heights or build new ones to help the Maldives withstand long-term sea level rise due to climate change. The approach could allow the entire population to live on just two islands built at a significantly higher elevation than natural islands.
A recent study found that nearly half of older adults receive no dental care and half lack dental insurance. After becoming eligible for Medicare, the percentage of people receiving restorative dental care decreased by 8.7%, while complete edentulism increased by almost 5 percentage points among those aged 65 and above.
A Rutgers study found that older people living with HIV/AIDS face unmet mental health needs and are more likely to experience PTSD, substance dependence, and suicidal thoughts. Resilience may play a crucial role in increasing adherence to antiretroviral therapy, which is essential to ending the AIDS epidemic.