Articles tagged with Human Development
A team of researchers from Kobe and Kyoto universities proposes an ethical framework for conducting research on conscious brain organoids. The framework assumes that brain organoids already possess consciousness and recommends guidelines similar to those for animal experiments. Key considerations include minimizing the number of organo...
Scientists have constructed a detailed map of lung development after birth, providing insights into the genetic and epigenetic factors that affect lung health. The study used next-generation single-cell sequencing technologies to analyze over 80,000 human and mouse lung cells, revealing clues on how cell types communicate and develop.
In southern Anhui Province, archaeobotanical remains at the Jingshuidun site reveal early rice farming dating back to 4874-4820 cal. yr B.P., with millet cultivation emerging by 2667-2568 cal. yr B.P.
The BrainChart platform benchmarks brain development based on MRI data from over 100,000 individuals, creating a standardized chart like those for height and weight. The tool identifies previously unreported neurodevelopmental milestones and provides a common language to understand brain images from different sources.
A recent study found that child abuse investigations by Child Protective Services (CPS) do not necessarily prevent poor sexual health outcomes in adolescent girls. In fact, the researchers discovered that girls who underwent investigation were more likely to experience adverse sexual health outcomes, including STIs and pregnancy, befor...
A newly discovered small molecule, N-0385, has been found to inhibit entry of the virus into cells, protecting mice from infection prior to exposure and providing effective treatment up to 12 hours after. The treatment holds promise for preventing disease and reducing severity with a few single daily doses.
Researchers found that urbanization increases hydrogen cyanide production in white clover as a defense mechanism against herbivores. The study, published in Science, reveals adaptive evolution due to urbanization is driving global-scale changes in plant species.
A new study from the University of Illinois suggests that whether adolescents believe drug use is wrong has twice the magnitude of impact compared to other risk and protective factors. This finding highlights the importance of instilling a negative belief about drug use in young people as a key strategy for preventing substance use.
A study found that adolescents with insecure toddler-mother attachment overestimate the trustworthiness of strangers and have reduced brain activity when viewing untrustworthy faces. Securely attached youth, on the other hand, are more open to processing negative social cues.
A new study at the University of Missouri found that positive teacher-student relationships lead to better teaching, as teachers who demonstrate 'soft' skills like kindness and compassion tend to use high-impact teaching practices. Students who feel cared for by their teacher are more motivated to learn and engaged in the classroom.
Researchers discovered a new human embryonic stem cell population that closely resembles the 8-cell embryo stage, allowing them to map key genomic changes during early development. This model will help advance knowledge of genome activation errors in developmental disorders and embryo loss.
A study published in Disease Models & Mechanisms reveals that premature differentiation of pain-sensing neurons and increased mechanosensory neuron production contribute to the development of pediatric dysphagia. The researchers found that disruptions in neural crest cell interactions lead to cranial nerve dysfunction.
Scientists at Michigan Medicine have developed a new way to grow tiny models of organs, called organoids, using a simple suspension culture. This breakthrough improves the understanding of human development and could lead to new insights into disease.
Researchers have discovered that the tumor suppressor protein pVHL degrades SMAD3, inhibiting the TGF-β signaling pathway and suppressing tumour cell growth. This finding opens up new opportunities for developing cancer therapies by regulating pVHL activity.
Research shows that couples who took Family Foundations classes 10 years ago had more positive family relationships during the pandemic. They reported lower levels of negative mood, behavior problems, and sibling conflict in their children.
A new study from King's College London found that lonely teenagers are at a greater risk of poor educational outcomes and negative mental health issues. Participants who experienced loneliness during early adolescence were more likely to finish school with lower grades and experience problems such as depression and anxiety by age 18.
A study published in Science Advances reveals that individuals with less memory loss in old age tend to gain more knowledge, contrary to the previously assumed compensatory power of crystallized abilities. The findings suggest a strong dependency between changes in fluid and crystallized abilities.
A Texas A&M study found that prenatal exposure to alcohol in males can lead to increased frequency of fetal development issues, including placental inefficiency and growth restriction. The research suggests that male behavior and environmental factors play a role in shaping fetal development beyond just genetics.
A new Penn State study found that Black youth with high BMIs reported fewer weight concerns when they had a strong sense of racial identity. Fathers also played a role in shaping their daughters' body image, particularly when involved in teaching about Black culture. The findings suggest that services promoting youth racial identity an...
Researchers discovered distinct gut microbiomes in Black and white US women, with potential associations to insulin resistance. The study highlights the importance of understanding individual microbiome variations in relation to metabolic health.
A study found that adolescents' ratings of food products were influenced by naturalness, with simpler judgments on taste components. Experts also applied the same rule, but with more consistent knowledge about food ingredients. The results suggest that nutrition education for adolescents should target their knowledge about food ingredi...
Researchers discovered that the IL-6 family of proteins is required for maintaining and regenerating cartilage in joints and growth plates. The study found that blocking this gene could lead to severe cartilage and skeletal changes, particularly in females.
Researchers found that women who experienced childhood sexual abuse developed blunted cortisol profiles, associated with health problems like depression and anxiety. Epigenetic age acceleration also contributed to these effects. The study aims to understand resilience to trauma and develop interventions for those affected.
Researchers from Karolinska Institutet have discovered that lung macrophages develop in two different ways, with fetal precursor cells dividing faster to remove microorganisms early on. The study's findings can help limit organ damage and promote new treatments for lung diseases.
Researchers found fingerprints influenced by genes responsible for limb development, shedding light on phenotypical traits in humans. The study identifies 43 genome regions associated with fingerprint patterns and suggests a link between dermatoglyphic patterns and congenital genetic disorders.
Investments in employee training decrease reliance on layoffs during pandemic-induced financial pressures. Banks with higher levels of training made more cuts to expenses in other areas, reducing workforce reductions. Employee training offers stronger job protection when paired with investments in physical capital and technologies.
Researchers found that a unique protein variant in modern humans offers better protection against oxidative stress, but also increases the risk of vascular disease and inflammatory bowel disease. The Neanderthal variant is carried by around 1-2% of the population on the Indian subcontinent.
A study by Massachusetts General Hospital researchers found that over 30 years after the Americans with Disabilities Act's passage, many physicians still don't understand their legal obligations to provide accessible care. The lack of knowledge raises concerns about healthcare quality and equity.
Research at University of California - San Diego found that infants with ASD have impaired neural responses to motherese speech, which is crucial for emotional bonding and learning. Typically developing children show stronger brain activation and interest in motherese.
A groundbreaking study reveals early humans preferred to hunt the largest available animals to provide the greatest quantities of food. Over 1.5 million years, humans repeatedly overhunted large animals to extinction, and then shifted to smaller animals, improving their hunting technologies.
Researchers have found consistent patterns in GABAergic neuron development between humans and mice, shedding light on the causes of neurodevelopmental disorders like autism and schizophrenia. The study uses single-cell RNA sequencing to create detailed maps of gene expression during human brain development.
A UConn study found that supporting surviving parents can reduce youth suicide risk by combating negative self-views in bereaved children. The Family Bereavement Program improved parenting skills and needs, leading to reduced aversive self-views and increased child positive connectedness.
Researchers have discovered molecules that could be candidates for contraceptives or fertility enhancers using human blastoid models. These models also show promise in improving the self-organization of stem cells during IVF procedures.
Researchers developed a new kind of organoid that grows both heart and gut cells together, mirroring their cooperation in embryonic development. This breakthrough could improve understanding of tissue communication and inform research into congenital disorders.
Researchers provide evidence that mammalian and avian primitive streaks evolved independently, using different mechanisms to form the body plan. They suggest alternative landmark for ethical oversight in human embryological research.
A study from the University of Illinois examines how spatial proximity affects relationship dynamics in older adult couples. The researchers found that when partners are close to each other, their heart rates synchronize in a lead-lag relationship, indicating a complex interplay between physiological responses and interaction patterns.
Researchers at CNIC have identified the essential role of GPR126 in placental development, revealing its critical function in fetal growth and viability. The study also highlights a possible link between GPR126 dysfunction and pregnancy complications such as preeclampsia.
Researchers found that when mothers and children are coordinated at the behavioral level, their physiological activity follows the mother's. The study highlights the importance of tuning in to a child's cues and being responsive to their behaviors during playtime.
Researchers at Mount Sinai have developed a diverse library of well-characterized human induced pluripotent stem cell lines from clinically healthy individuals, offering valuable resources for studying normal human biology, evaluating drug responses, and disease modeling.
Researchers found that a receptor in the brain detects nutritional state and regulates puberty timing and growth rate, explaining why humans have been growing taller and reaching sexual maturity earlier over the past century. The discovery has immediate practical implications for testing children with growth delays.
A new study published in Computers in Human Behavior found that using Instagram or Snapchat before age 11 was significantly related to more problematic digital behaviors. Parental restrictions on phone use and checking social media ameliorated some of the negative effects.
Researchers describe disassembly of Drosophila fly trachea during metamorphosis, revealing two-stage process involving cell shrinkage and death. The study highlights intricate involvement of physical mechanisms and biological signalling in regulating cellular decisions.
A recent study by Washington State University researchers found that 75% of new first-year college students experience some level of pet separation anxiety, with one in four reporting moderate to severe symptoms. Students who treated their pets like people were more likely to experience high levels of anxiety.
A new study found that couples in the Houston area experienced a significant increase in relationship satisfaction after Hurricane Harvey, despite previous research suggesting stress spillover would decrease satisfaction. The researchers discovered that those who were unhappy before the hurricane saw the largest jumps in satisfaction.
A new study reveals that young adults experienced significant losses during the pandemic, including missed social events and inability to say goodbye in person. Researchers collected stories from college students who reflected on their earliest and most significant losses regarding COVID-19.
A new study led by UMass Amherst nurse researcher Carrie-Ellen Briere investigates the benefits of using fresh breast milk versus stored breast milk for premature infants in the NICU. The research aims to prioritize the use of fresh milk in clinical practice and improve outcomes for vulnerable babies.
Researchers at UC San Diego will document brain development from birth through early childhood, focusing on environmental factors and mental disorders. The HBCD study aims to optimize brain imaging technologies and predict future behavioral problems.
A new study by researchers at the University of Houston found that COVID-19-related parenting stress has a negative impact on children's eating habits, leading to maladaptive feeding behaviors. The study suggests that policy makers and nonprofit organizations should provide support systems to help parents manage their daily stressors.
Researchers used zebrafish to study spinal cord development and its role in controlling new movements, discovering patterns of neural activity that can be applied to human locomotor activities like walking and swimming. The study aims to improve treatments for movement disorders by identifying target neurons for restoration.
A new study finds that air pollution is responsible for 1.1 million deaths across Africa in 2019, with household air pollution accounting for 700,000 fatalities. The study also reveals that air pollution is costing African countries billions in gross domestic product and hindering the intellectual development of children.
A study by Arizona State University researchers reveals that the coordination between facial growth and chewing muscle mechanics determines when adult molars emerge. The study found that human molars come in at a later age due to slow jaw growth and short faces, which creates a mechanically safe space for molar emergence.
Researchers have created a human disease model of FCMD using stem cells from a patient, which successfully mimicked the disorder's brain defects. The study found that a small compound called Mannan-007 can restore αDG glycosylation and reduce FCMD-related defects.
Research shows that people with disabilities were disproportionately excluded from pandemic planning and relief efforts, but representative disability groups provided life-saving support. Disability organisations worked tirelessly without funding to plug gaps, highlighting the need for inclusive disaster responses.
Researchers have found conclusive evidence that a massive cosmic airburst destroyed the biblical city of Tall el-Hammam in the Jordan Valley around 3600 years ago. The impact, which is believed to be equivalent to a 12-megaton explosion, was characterized by temperatures exceeding 2,000°C and the formation of melted metals and glass.
Caltech researchers have developed a technique to build embryo-like structures from human stem cells, opening up new possibilities for studying early human development. The technology can generate large quantities of these structures without the need for donated embryos.
A new study proposes a practical way of measuring how different nations should reduce carbon emissions to maximize worldwide wellbeing. The utilitarian approach assigns different emission reduction goals to countries based on their wealth and ability to grow and maintain citizens' health.
A new large-scale study created the most comprehensive Cell Atlas of the Gut to date, revealing that Crohn’s disease may be caused by activation of developmental pathways. The detailed maps will help explain how the gut forms and functions, transforming research into intestinal diseases.
A recent study has identified nearly half of the fastest-evolving human genes as playing a crucial role in rewriting the course of human brain development. The research used an innovative approach called CaptureMPRA to analyze the function of Human Accelerated Regions (HARs) in regulating gene expression in the brain.
A new NIH grant will fund research on how beneficial microbes in infant gut use nitrogen from human milk to support pediatric nutrition and development. The study aims to understand the interactions between mother's diet, breast milk, and infant needs, as well as the role of probiotics and maternal lifestyle.
A Spartan-led team has assembled the most complete picture of the bowfin genome to date, revealing striking similarities between bowfin gas bladder development and human lung development. This breakthrough provides a better model for studying human health and disease, with potential implications for understanding evolutionary history.