Results 281 to 290 of about 2,239,043 (348)

Early‐stage profiles of adolescent mental health difficulties and well‐being: A systematic review of cluster analyses in large school and community samples

open access: yesJournal of Research on Adolescence, Volume 35, Issue 4, December 2025.
Abstract Traditional diagnostic and services pathways often overlook the nuanced ways that mental health problems and strengths appear in community settings. Some researchers have therefore used person‐centered statistics—or clustering analyses—to identify profiles of socioemotional and behavioral difficulties and well‐being traits in preclinical ...
Marc Bennett   +4 more
wiley   +1 more source

Childhood conduct problems, potential snares in adolescence, and problematic substance use in Brazil

open access: yesJournal of Research on Adolescence, Volume 35, Issue 4, December 2025.
Abstract Childhood conduct problems are associated with problematic substance use in adulthood; however, little is known about what might explain these associations outside of high‐income countries where the majority of research is conducted. Data were analyzed from 4599 young people from the 1993 Pelotas Birth Cohort in Brazil.
Fauve Stocker   +7 more
wiley   +1 more source

N‐Containing Carbon Materials in Metal‐Free and Non‐Noble Metal Liquid Phase Heterogenous Catalysis

open access: yesAdvanced Synthesis &Catalysis, Volume 367, Issue 22, November 28, 2025.
Over 100 examples of non‐noble metal supported on N‐containing and metal‐free N‐containing carbon catalysts are discussed. Particular emphasis is put on how different N‐functionalities influence catalyst performance and stability. Preparation procedures are also examined, with a strong focus on how the heat treatment temperature influences N ...
Fulvio Varamo, Anna Katharina Beine
wiley   +1 more source

Trends in adolescent smoking prevalence before and after the emergence of vaping in Australia: an interrupted time series analysis, 1999–2023

open access: yesMedical Journal of Australia, Volume 223, Issue 10, Page 517-524, November 2025.
Abstract Objective To compare adolescent smoking trends in Australia before and after the emergence of e‐cigarettes in about 2010, to evaluate the potential impacts of adolescent vaping on smoking prevalence. Design Repeated cross‐sectional study. Setting Australian secondary schools.
Sam J Egger   +5 more
wiley   +1 more source

Short-term effects of electronic cigarette smoking on cardiorespiratory parameters, volatile organic compounds and inflammatory markers. [PDF]

open access: yesERJ Open Res
Rizik S   +9 more
europepmc   +1 more source

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