- Having a regular, age-appropriate bedtime and getting sufficient sleep from early childhood may be important for healthy body weight in adolescence, according to new research. Those who had no bedtime routine at age 9 had shorter self-reported sleep duration and higher BMI at age 15. https://news.psu.edu/story/550559/2018/12/05/research/regular-bedtimes-and-sufficient-sleep-children-may-lead-healthier 115 comments science
- Adolescents aged 13 to 14 years old who had used cannabis showed lower scores on an episodic memory task, and more cannabis use was linked to poorer performances on verbal, inhibitory, working memory, and episodic memory tasks. https://www.sciencedirect.com/science/article/abs/pii/S0306460323003258 305 comments science
- Study N= 1358 shows that low cardiorespiratory fitness in adolescence (12–19 years) is associated with higher risk for cardiovascular and metabolic diseases in middle age (37–44 or late 57–64 years) https://www.jyu.fi/en/news/low-fitness-in-youth-increases-the-risk-of-cardiometabolic-diseases-in-middle-age 13 comments science
- Study has found that our breathing influences how memories are consolidated during sleep, particularly the precision of the coupling of so-called slow oscillations and sleep spindles that "increase from childhood to adolescence and then decline again during aging" https://www.lmu.de/en/newsroom/news-overview/news/memory-research-breathing-in-sleep-impacts-memory-processes.html 8 comments science
- A review of 17,077 studies involving 1,431,534 adolescents (mean age 15 years) found that social media use is associated with adverse health risk behaviours in young people https://www.bmj.com/content/383/bmj-2022-073552 10 comments science
- A new study published in the Cureus Journal of Medical Science has found that a plant-based diet is “inversely related to the incidence of heart failure risk”, and “eating a plant-based diet starting in adolescence is linked to a decreased risk of cerebrovascular disease (CVD) by middle age.” https://theveganherald.com/2022/11/study-plant-based-diets-may-help-prevent-coronary-heart-disease/ 3 comments science
- While people tend to have an optimism bias at any age, a study reports that this is particularly true among children, and declines as they grow up into adolescence. As they grow older, children learn more from negative outcomes, lose their hyper-optimism, and become more realistic. https://www.ucl.ac.uk/news/2022/feb/why-young-children-are-hyper-optimistic 18 comments science
- Research (N = 291) found maternal shyness was positively associated with adolescent social anxiety but not generalized anxiety at age 15. Higher levels of maternal shyness at age 4 predicted greater social wariness at age 7 and greater social anxiety but not generalized anxiety at age 15. https://acamh.onlinelibrary.wiley.com/doi/abs/10.1111/jcpp.13477 4 comments science
- Over 70 per cent of India’s adolescents in the 15-18 age group have received the first dose of Covid-19 vaccine so far https://indianexpress.com/article/india/children-15-18-age-group-first-dose-covid-vaccine-mansukh-mandaviya-7770619/ 6 comments upliftingnews
- Body Mass Index Among Children and Adolescents During the COVID-19: "Youths gained more weight during the COVID-19 pandemic than before the pandemic. The greatest change in the distance from the median BMI for age occurred among 5- through 11-year-olds with an increased BMI of 1.57." https://jamanetwork.com/journals/jama/fullarticle/2783690 11 comments science
- The developmental trajectories of executive function from adolescence to old age. i ought to point that the first step is focusing on "equation" instead of functional thinking. https://www.nature.com/articles/s41598-020-80866-1 3 comments science
- Teen drug use may affect the brain's shape in a crucial time of development. A new study finds that "cortical thinning," a normal part of neurodevelopment in adolescence, may accelerate as teens use cannabis more often, past what was observed in teens of the same age who never tried weed. https://www.inverse.com/mind-body/marijuana-influence-on-teen-brains 71 comments science
- Lack of math education negatively affects adolescent brain and cognitive development. A new study suggests that not having any math education after the age of 16 can be disadvantageous. https://www.pnas.org/content/118/24/e2013155118 143 comments science
- A ten-year longitudinal study on a group in early adolescence from as young as 10, investigated how playing violent video games at an early age would translate into adulthood behavior (23 years). It found no correlation between growing up playing video games and increased levels of aggression. https://gamesage.net/blogs/news/ten-year-long-study-confirms-no-link-between-playing-violent-video-games-as-early-as-ten-years-old-and-aggressive-behavior-later-in-life 936 comments science
- Researchers have found that cancer cases in adolescents and young adults have risen by 30% during the last four decades, with kidney cancer rising at the greatest rate. The team said further research into screening, diagnosis and treatment are needed to address the growing trend in this age group. https://news.psu.edu/story/640279/2020/12/01/research/cancer-cases-are-rising-adolescents-and-young-adults 37 comments science
- Black or Hispanic adolescents significantly more likely to die by police intervention. Compared to white children, black children had a 6-fold and Hispanic children almost 3 times higher risk of death, based on teens aged 12 to 17 who died from firearm injuries due to police from 2003 to 2018. https://www.eurekalert.org/pub_releases/2020-11/cnh-bha112020.php 6 comments science
- Research shows that boys exhibiting inattention-hyperactivity at age 10 have a higher risk for traumatic brain injuries (TBIs) in adolescence and adulthood. Treatments to reduce these behaviours may decrease the risk for TBIs. https://mcgill.ca/newsroom/channels/news/boys-inattention-hyperactivity-face-increased-risk-traumatic-brain-injuries-320521 8 comments science
- Adolescents who smoke marijuana as early as 14 do worse by 20 on some cognitive tests and drop out of school at a higher rate than non-smokers. But if they hold off until age 17, they're less at risk, and performed equally well as adolescents who did not use cannabis. https://yeevu.com/delaying-pot-smoking-to-age-17-is-better-for-teens-brains-a-new-study-suggests/ 1289 comments science
- Injecting the gene-editing tool CRISPR into the brains of adolescent mice counteracts the effects of a mutation in a top autism gene. The finding suggests that mutations in this gene, SCN2A, may be treatable at any age. https://www.spectrumnews.org/news/crispr-therapy-may-reverse-autism-mutations-effects-well-past-infancy/ 6 comments science
- Skipping breakfast, a common habit among teenagers, associates directly with increased waist circumference and body mass index in this age group. The habit can lead to an unbalanced diet and other unhealthy behaviors, potentially making the adolescents vulnerable to weight gain. http://agencia.fapesp.br/adolescents-who-skip-breakfast-may-develop-obesity/31006/ 1269 comments science
- 45-year ongoing study shows that patterns in test scores and in a psychological assessment of personal values done with nearly 700 intellectually gifted adolescents predicted well which distinct fields of eminence they would occupy by age 50. https://news.vanderbilt.edu/2019/04/23/gifted-kids-turn-50-most-successful-followed-heart-not-just-head/ 3 comments science
- 45-year study reveals patterns in test scores plus a psychological assessment of personal values of nearly 700 intellectually gifted adolescents well predictive the distinct fields of eminence they would occupy by age 50. https://news.vanderbilt.edu/2019/04/23/gifted-kids-turn-50-most-successful-followed-heart-not-just-head/ 4 comments science
- On average, men outperform women on a spatial reasoning task known as mental rotation. Men are not, however, born with this advantage, but gain it in mental-rotation performance during the first years of formal schooling, which grows with age, tripling in size by end of adolescence (n=30,613). https://esciencecommons.blogspot.com/2019/04/gender-gap-in-spatial-reasoning-starts.html 4 comments science
- Bullying evolves with age, suggests a new study, which found that it becomes less physical with age. Physical harm is a common bullying behavior at young ages, while more subtle forms, such as insults and social exclusion, are maintained throughout adolescence (n=916, ages 11-17). https://www.eurekalert.org/pub_releases/2019-03/uoc-bew031419.php?t=au 31 comments science
- HPV vaccination rates remain critically low among younger adolescents in the US, finds a new study. Only about 16% of US adolescents have been fully vaccinated against HPV by age 13, despite national recommendations for vaccination at 11 to 12. Every year, HPV causes approximately 34,000 cancers. https://www.idsociety.org/news--publications-new/articles/2019/hpv-vaccination-rates-remain-critically-low-among-younger-u.s.-adolescents/ 8 comments science
- New study suggests earlier interventions are needed to prevent inactivity in children. Measurements of 600 children were taken at the ages of 6, 8 and 11 years. The results showed that the decline of physical activity and the increase of sedentary behaviour started well before adolescence. https://cordis.europa.eu/news/rcn/130483/en 22 comments science
- Obesity onset occurs early in life, with the greatest excessive weight gain occurring between 2 and 6 years of age, and once it develops, it persists into adolescence - NEJM https://www.nejm.org/doi/full/10.1056/nejmoa1803527 15 comments science
- Higher IQ in adolescence is related to a younger subjective age in later life, finds a new study (N = 4,494). https://digest.bps.org.uk/2018/08/09/do-people-with-a-high-iq-age-more-slowly/ 24 comments science
- Adolescence now lasts from the ages of 10 to 24, although it used to be thought to end at 19, scientists say. http://www.bbc.com/news/health-42732442 19 comments science
- Both LGBQ sexual identity and traumatic experiences in childhood are linked to a heightened risk of suicidal thoughts and behaviors. Suicide is the second leading cause of death among adolescents and young adults, and there is evidence that suicide rates are increasing in this age group. https://www.nbcnews.com/feature/nbc-out/teen-sexual-identity-childhood-trauma-linked-suicidal-behaviors-n831076 20 comments science
- What "age inappropriate" book(s) did you read as a child or adolescent? What effect do you think that reading had on your impressionable young mind? http://www.rafeeqmcgiveron.com/uploads/1/7/4/9/17490461/9522201_orig.jpg 62 comments books
- The first study to test people’s personalities in adolescence and again in old age shows that compared to their younger selves, most people’s personalities in older adulthood are barely recognizable. http://www.huffingtonpost.com/entry/personality-changes-age_us_58ac6736e4b02a1e7dac16b3?section=us_science 23 comments science
- Earlier age of cannabis use and increased use frequency across adolescence associated with decline in verbal IQ and executive function tasks tapping trial and error learning and reward processing by early adulthood and lower rates of high-school graduation https://www.cambridge.org/core/journals/development-and-psychopathology/article/div-classtitleadolescent-cannabis-use-change-in-neurocognitive-function-and-high-school-graduation-a-longitudinal-study-from-early-adolescence-to-young-adulthooddiv/409f2e21be7e216535404a4bf9eb1038/core-reader 44 comments science
- Preschool-aged children with early weekday bedtimes were one-half as likely as children with late bedtimes to be obese as adolescents. http://www.jpeds.com/article/s0022-3476(16)30361-4/fulltext 7 comments science
- Israel gives reason for banning novel about Jewish-Palestinian love affair; "young people of adolescent age don’t have the systemic view that includes considerations involving maintaining the national-ethnic identity of the people and the significance of miscegenation." http://knesset.gov.il/spokesman/eng/pr_eng.asp?prid=11868 20 comments worldnews
- About 40% of IQ differences among preschoolers stems from genetic differences but that heritability rises to 60% by adolescence and to 80% by late adulthood. With age, differences among individuals in their developed intelligence come to mirror more closely their genetic differences. http://alfin2100.blogspot.com/2012/01/iq-matters-understanding-your-world-so.html 8 comments science
- "If you have reached the age of 25, I have a bit of bad news for you, to wit: it is time, if you have not already done so, for you to emerge from your cocoon of post-adolescent dithering and self-absorption and join the rest of us in the world" http://tomatonation.com/?p=838 30 comments reddit.com
- Teenagers and adolescents are being maligned by pundits and policy makers to draw attention from the reality that it’s actually middle-aged adults — the parents — whose behavior has worsened in the last 30 years. http://www.nytimes.com/2007/09/17/opinion/17males.html?ex=1347681600&en=4c4642124be12ecb&ei=5090&partner=rssuserland&emc=rss 49 comments reddit.com
- [Study abstract] Adolescents (age 14 and under) losing their virginity to an adult: neither traumatic nor unpleasant, and almost exactly equivalent quality of experience as adults losing their virginity to other adults. [x-post from /r/psychology] http://www.ncbi.nlm.nih.gov/pubmed/24233327?report=abstract 43 comments science
- A study has found maintaining physical activity from adolescence into later adulthood was associated with lower risk of dying and so was increasing leisure-time physical activity in adulthood, including from age 41 to 60, for adults who had been less active https://www.eurekalert.org/pub_releases/2019-03/jn-iie030519.php 5 comments science