Occasional cannabis use during pregnancy may be enough to impact fetal growth significantly frontiersin
), our findings have the potential to inform future clinical practice and guidelines surrounding marijuana use in pregnancy to improve clinical outcomes.Study participants were drawn from women receiving prenatal care at an academic obstetric practice that included patients from both the immediate urban area and the larger surrounding rural region. The study was approved by the Institutional Review Board of the affiliated hospital.
Following group assignment, electronic medical records were manually reviewed, with all study data abstracted onto study data collection sheets. Abstractions were performed by three of the medical student study investigators, with regular team discussions and oversight by the senior investigator to ensure data collection fidelity.
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Frontiers | Effects of a games-based physical education lesson on cognitive function in adolescentsDespite the importance of physical education (PE) lessons for physical activity in adolescents, the acute cognitive responses to PE lessons have not been explored; a gap in the literature that this study addresses. Following familiarisation, 76 (39 female) adolescents (12.2 0.4 y) completed two trials (60 min games-based PE lesson and 60 min academic lesson) separated by 7-d in a counterbalanced, crossover design. Attention, executive function, working memory, and perception were assessed 30 min before, immediately post, and 45 min post-lesson in both trials. Participants were split into high- and low-fit groups based on a gender-specific median split of distance run on the multi-stage fitness test. Furthermore, participants were split into high and low MVPA groups based on a gender-specific median split of MVPA time (time spent | 64% HR max) during the PE lesson. Overall, a 60 min games-based PE lesson had no effect on perception, working memory, attention, or executive function in adolescents (all p | 0.05) unless MVPA time is high. The physical activity-cognition relationship was moderated by MVPA, as working memory improved post-PE lesson in adolescents who completed more MVPA during their PE lesson (time*trial*MVPA interaction, p | 0.05, partial 2=0.119). Furthermore, high-fit adolescents displayed superior cognitive function than their low-fit counterparts, across all domains of cognitive function (main effect of fitness, all p | 0.05, partial 2 0.014 - 0.121). This study provides novel evidence that MVPA time moderates the cognitive response to a games-based PE lesson; and emphasises that higher levels of fitness are beneficial for cognitive function in adolescents.
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Study shows AI chatbot provides quality and empathetic answers to patient questionsStudy shows AI chatbot provides quality and empathetic answers to patient questions ArtificialIntelligence Coronavirus covid Healthcare Medicine Pandemic Stress AI ChatGPT JAMAInternalMed
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Study finds that caffeine consumption was associated with nicotine use onset among early adolescentsStudy finds that caffeine consumption was associated with nicotine use onset among early adolescents PLOSONE caffeine nicotine teenager cigarette teen adolescent
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One million Scots suffers from anxiety gripping their daily lives, study findsThe concerning findings suggest that huge numbers of people across the country battle with feelings of anxiety preventing them from living life the way they would like to.
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From molecular to whole-brain scale in a simple animal, study reveals serotonin's effectsBecause serotonin is one of the primary chemicals the brain uses to influence mood and behavior, it is also the most common target of psychiatric drugs. To improve those drugs and to invent better ones, scientists need to know much more about how the molecule affects brain cells and circuits both in health and amid disease. In a new study, researchers at The Picower Institute for Learning and Memory at MIT working in a simple animal model present a comprehensive accounting of how serotonin affects behavior from the scale of individual molecules all the way to the animal's whole brain.
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