Articles tagged with Adolescents
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.
Practical application of scientific knowledge and engineering principles to solve real-world problems and develop innovative technologies. Encompasses all engineering disciplines, technology development, computer science, artificial intelligence, environmental sciences, agriculture, materials applications, energy systems, and industrial innovation. Bridges theoretical research with tangible solutions for infrastructure, manufacturing, computing, communications, transportation, construction, sustainable development, and emerging technologies that advance human capabilities, improve quality of life, and address societal challenges through scientific innovation and technological progress.
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 study found that children adopted from foreign countries have a higher risk of severe mental health problems and social maladjustment, especially suicide, drug abuse, and psychiatric disorders. Adoptees are 3-5 times more likely to experience these issues compared to those born in Sweden to Swedish parents.
A study by Northeastern University researchers found that adolescent steroid use is linked to reduced serotonin levels, particularly in areas related to aggression and violence. The study suggests that long-term exposure to steroids during adolescence may permanently alter the production of the 'feel-good' receptor.
A 22-year study found that early adolescence and peer influences are precursors to later drug use, which leads to increased health problems. Researchers tracked over 600 youths from age 1 to 27 and found that rebelliousness, distrust of authority, and risk-taking behavior were associated with later substance abuse.
Researchers at UC Riverside are studying the effects of fathers on their children's well-being, particularly during adolescence. The three-year study will examine cultural differences and explore how biological bonds influence the relationship between fathers and their teenage sons and daughters.
Researchers will study 400 families from public schools in Phoenix and Southern California to examine the role of fathers in protecting their children from adolescence's perils. The study aims to identify culturally-universal concepts of fatherhood and its impact on child development.
A new study found that adolescents with ADHD symptoms are more likely to smoke, highlighting the potential for targeting tobacco control efforts towards high-risk youth. The researchers also suggest that nicotine may help manage ADHD symptoms.
A study found that cigarette advertising and promotions can circumvent the protective effects of authoritative parenting. Teens from less authoritative households are more susceptible to tobacco ads and promotions. Parents can counter this by discussing marketing tactics with their teenagers.
A recent study by Emory University Health Sciences Center found that lower levels of social capital are associated with higher rates of sexually transmitted diseases. The research, which analyzed data from 48 US states, discovered that social capital is a significant predictor of infectious diseases including AIDS and STDs.
Research finds that two-thirds of adolescent girls in Zimbabwe are involved with older men due to economic need, increasing risk of HIV. The study suggests promoting economic self-sufficiency through education and vocational training can help reverse the epidemic.
A study of 150 high school students found that anxiety was a prevalent issue among teens, with those experiencing more anxiety spending less time with friends and engaging in unhealthy behaviors. The researchers used hand-held computers to collect data, providing valuable insights into the adolescent mind.
A new study published in Pediatrics recommends screening for medical problems and addressing treatment barriers when treating overweight children. Healthcare providers face challenges such as parental resistance, patient lack of motivation, and insufficient support services, hindering effective treatment.
A study found that 14- to 18-year-olds have a high prevalence of alcohol and drug disorders, with over half having used substances in the past year. A new screening tool, CRAFFT, was effective in identifying teens at risk.
A survey of over 1,750 inner-city teenagers found that education and job opportunities were top priorities for achieving a positive future. The study suggests that focusing on protective factors such as education, jobs, and adult connections can help mitigate the negative effects of urban poverty.
A study found that homeless sexual minority youth are more likely to experience physical and sexual abuse, with bisexual individuals reporting the most incidents. These young people face significant challenges in their lives, including heavy substance abuse and difficulties dealing with their sexual identity.
A new study from Ohio State University found that students in racially diverse schools are more likely to form segregated friendships. The research suggests that schools can promote cross-racial friendships by encouraging extracurricular activities that bring together students of different races.
The prevalence of overweight in children and adolescents tripled in Brazil, almost doubled in the US, and increased by one-fifth in China over 2-3 decades. Improved economic conditions led to more secure food supplies and inactive leisure time, contributing to childhood obesity.
Research from the University of North Carolina at Chapel Hill found significant increases in obesity rates among older children and adolescents in Brazil, China, and the US between 1991 and 2017. The study highlights the growing global burden of nutritional problems and calls for revised nutrition programs to address energy excesses.
A recent study published in the Pediatric Academic Societies found that low-grade cervical lesions (LSILs) tend to clear up on their own in adolescent women. The study of 187 adolescents aged 13-22 years showed that only 4% had persistent LSILs after three years, and most regressed within three months.
A study by researchers at Indiana University found that self-esteem plays a significant role in the loss of virginity among adolescents. Young girls with high self-esteem were less likely to engage in early sexual activity, while young boys with high self-esteem were more likely to report being sexually active.
The study found that high-intensity physical training significantly improved cardiovascular fitness profiles and reduced abdominal fat in obese adolescents. Moderate-intensity physical training had less impact on these outcomes.
A study published in the American Journal of Preventive Medicine found that teen habitual smokers who believed they could quit anytime had a higher risk of progressing to established smoking. Teenagers who were highly receptive to tobacco advertising also had a higher risk, with 70% more likely to have progressed to established smoking.
The Johns Hopkins Bloomberg School of Public Health study emphasizes the importance of involving adolescents in their own health promotion. Young people offer a unique perspective and valuable insights that can improve survey design, outcomes, and overall effectiveness.
A recent study by University of Pennsylvania researchers found that a boy's height at age 16 is a significant determinant of his salary as an adult. The study controlled for race, gender, and socio-economic status, and found that taller teenagers earned up to 15% more than shorter counterparts in any given field.
A study of 729 teenagers aged 12-17 found they slept an average of 8.5 hours during the week and 9.5 hours on weekends, with nearly half reporting daytime sleepiness. The later wake times among older teens suggest starting school later may improve attendance and academic performance.
During adolescence, the brain undergoes significant changes, gaining scope and depth of knowledge and comprehension but losing ability to acquire new sounds and speech patterns. Research on post-mortem cerebral cortexes reveals that nerve cells undergo pruning or streamlining during this period.
School connectedness is a student's feeling of belonging and care at school, with classrooms where students get along playing a key role. Despite school size, teacher experience or education level, classroom climate has no bearing on school connectedness.
Teenagers are more likely to drive safely when their parents set restrictions and monitor their activities. The study found that adolescents who lack self-control or engage in deviant behaviors are at a higher risk of driving dangerously.
Research tracking over 700 children from adolescence to adulthood found that adolescents watching more than one hour of TV daily were more prone to violence. The link remained even after accounting for other factors like childhood neglect and low family income. The study's findings contradict the common assumption that media violence o...
A study found that adolescents with depression are more receptive to tobacco advertising and are at a higher risk of experimenting with smoking. Exposure to peer smokers also plays a significant role in the decision to smoke.
A study by the Center for Disease Control and Prevention found that students were significantly less likely to report considering suicide after the Columbine incident, but the incidence of attempts remained unchanged. The fear of unsafe schools varied depending on location, with urban teens showing a notable increase in safety concerns.
Children who grow up in risky families often suffer lifelong health problems, including cancer, heart disease, and mental health issues. The study found a pattern of serious long-term health consequences for children in homes marked by conflict and aggression.
Research finds that exposure to movie stars smoking increases positive attitudes toward smoking among adolescent never-smokers. High exposure is linked to a greater intent to start smoking and lower resistance to peer offers.
A new Cincinnati Children's Hospital Medical Center study found that thickening of the heart can develop as early as adolescence in women, with obesity being the main factor. The study also discovered significant racial disparities in left ventricular hypertrophy prevalence among young African American and Caucasian women.
A study shows that black teen girls who rarely talked to their parents about sex and STD prevention were less likely to report condom use. Parents can help motivate their daughters to discuss safe sex techniques with partners, according to researchers.
A University of Michigan study found that adolescent girls who feel confident about their physical abilities enjoy exercise more than those who doubt their skills. The research, led by Nola Pender, suggests that girls' perceptions and responses to exercise are linked to their confidence levels, with more confident girls reporting less ...
A Yale study found that 25 percent of severely obese children are at high risk for developing type 2 diabetes. The condition was more prevalent among girls and affected children from diverse ethnic backgrounds.
A study published in the American Journal of Health Promotion found that teens with positive role models and those who participate in religious activities are less likely to use tobacco. The study suggests that taking a positive, asset-based approach may help reduce tobacco use among young people.
The Pediatric AIDS Clinical Trials Group will support clinical trials sites, a statistical center, and operations center with renewed funding. The new agenda emphasizes five key areas: perinatal transmission, pediatric treatment, adolescent treatment, long-term evaluation of antiretroviral therapies, and domestic and international coll...
A recent study by Dr Eirini Flouri and Ann Buchanan found that involved fathers are associated with improved academic motivation, reduced psychological distress, and better life outcomes for children. The research, based on 17,000 UK-born children, highlights the importance of father involvement in childhood and adolescence.
A study of over 1,500 children found that risk-taking behaviors, rebelliousness, and delinquency are common factors in smoking among all ethnic groups. Good relationships with parents, however, provide a protective effect against smoking across ethnicities.
A study of 984 Chinese children found that about half continued their high-fat diet six years later, highlighting the importance of early diet in preventing chronic diseases. Socioeconomic factors such as family income and education level also played a significant role in shaping dietary patterns.
A comprehensive study found that both prenatal and postnatal lead exposure were associated with increased antisocial behavior in children and adolescents. The researchers followed inner-city adolescents for over two decades, tracking blood lead levels and documenting delinquent behavior.
Teenagers living in high-tax areas were 13% less likely to smoke any cigarettes than those in low-tax areas. Regular smokers who purchased their own cigarettes responded more strongly to price increases, the study found. The study analyzed data from Monitoring the Future Surveys of 8th-, 10th- and 12-grade students.
A study of 114 adolescent male offenders found that those committing only sexual offenses had better behavior, attitudes, and lower re-offending risk compared to those with concurrent crimes. The findings suggest different pathways to juvenile sexual offending, warranting tailored interventions.
A study found that prenatal alcohol exposure differentially affects visual and auditory attention in adolescents, with dysmorphic individuals showing a specific deficit in visual processing. The results suggest that attention is not uniformly affected, and knowledge of these patterns may aid in the development of remediative programs.
A new study finds that restricting R-rated movies is associated with lower rates of adolescent alcohol and tobacco use. Children who are not restricted from watching R-rated movies are three times more likely to smoke or drink compared to those who have no restrictions.
A study by Dartmouth researchers found that restricting R-rated movies is associated with lower rates of adolescent alcohol and tobacco use. The study surveyed over 4,500 students in grades five through eight, showing a significant decrease in smoking and drinking among those who never watched R-movies.
Girls from supportive families were almost three times more likely to have used a condom during sex in the past month and less likely to report emotional abuse from their partners. The study also found that girls from unsupportive families were twice as likely to be afraid to talk to their partners about using a condom.
Researchers used Longitudinal Data Analysis (LCA) to identify subgroups of adolescents with common patterns of symptoms, improving the accuracy of DSM-IV AUD diagnoses. The study found a one-year decrease in severity of alcohol-related problems after substance-abuse treatment.
Researchers surveyed 5,000 middle school students and found that those exposed to more movie smoking were 2.5 times more likely to start smoking than those with minimal exposure. The study also showed strong correlations between on-screen actor endorsement of cigarette brands and increased likelihood of smoking.
A multi-site clinical trial found that citalopram, a popular adult anti-depressant, may help relieve suffering in children and adolescents with depression. The study showed significant improvement in mood among patients receiving the drug compared to those taking a placebo.
A new study aims to determine the effectiveness of drug therapy, psychotherapy, or a combination in treating major depression in teenagers. The study, administered by Northwestern University Medical School, will enroll participants between 12-17 years old with clinician-diagnosed depression.
A study by Professor Melissa DelBello found that quetiapine added to divalproex reduced psychotic symptoms in significantly more patients than divalproex alone. The quetiapine combination group also showed improved outcomes without treatment-emergent extrapyramidal symptoms.
Research in South Africa found that over 80% of respondents had witnessed or been victims of stranger violence, with 70% experiencing violence at home. The study concluded that high levels of violence put children at risk of serious mental health problems.
A study found that ethnic differences affect the relationship between family environment and teen gang involvement, with black youth benefiting from more controlling parents and white/other youth increasing their involvement with gangs. Gang intervention programs should address both peer and parent relationships to be effective.
The study explores the sanctioned and unsanctioned use of stimulants among Canadian adolescents. It highlights concerns about parental and peer involvement in prescription stimulant use, as well as the risks associated with long-term use.
The study, conducted by Virginia Tech researchers, analyzed data from the National Health and Nutrition Examination Survey III. It found that regular soft drink consumption was not associated with dental cavities among adolescents, young adults, or older adults.
A third of U.S. adolescents suffer some form of dating violence, with most instances being psychological abuse. The study found that one in five adolescents reported only psychologic violence and about one in 10 reported physical violence.
A study found that negative emotionality is highly correlated with self-reported health problems in adolescents with alcohol use disorders. The study suggests that these health problems are predominantly of psychological origin, despite relatively normal laboratory and physical exam results.
A study of 100 middle-class Indian fathers found they are more socially connected to their families, engaging in lengthy discussions with their children on various topics. In contrast, American fathers tend to be less engaged and absorbed in their work lives.