Mostrando 5,261 - 5,280 Resultados de 78,000 Para Buscar '"adolescence"', tiempo de consulta: 0.38s Limitar resultados
  1. 5261
    “…PURPOSE: To determine whether naturally-occurring changes in children’s motives and beliefs are associated with the steep decline in physical activity observed from childhood to early adolescence. METHODS: Latent growth modeling was applied in longitudinal tests of social-cognitive influences, and their interactions, on physical activity in a large cohort of boys and girls evaluated annually between 5(th) and 7(th) grades. …”
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  2. 5262
    “…Collectively, these 65 loci were also found to partially mediate the effect of prenatal maternal tobacco smoking on adolescent substance use. Together, findings lend novel insights into epigenetic correlates of substance use, highlight birth as a potentially sensitive window of biological vulnerability and provide preliminary evidence of an indirect epigenetic pathway linking prenatal tobacco exposure and adolescent substance use.…”
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  3. 5263
    “…This study investigated the relation between cumulative risk factors during the early life course and subsequent academic achievement in a cohort of children and adolescents. Data for this study were based on registry-data material from the LIFECOURSE study of 1151 children from the 2000 birth cohort in Reykjavik, Iceland, assembled in 2014–2016. …”
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  4. 5264
    “…There were no clear associations between self-reported pain in adolescence and LBP in adulthood. Self-reported daily ratings of LBP were associated with LBP from the health examination. …”
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  5. 5265
    “…Mother’s or father’s overweight or obesity before pregnancy were associated with lower levels of their offspring’s physical activity and fitness in adolescence. Adjusting for maternal pregnancy disorders and the adolescent’s own BMI attenuated the associations with the mother’s but not the father’s overweight/obesity. …”
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  6. 5266
  7. 5267
    “…BACKGROUND: Late adolescence to early adulthood is a period of lifestyle change and personal development which may influence dietary behaviour. …”
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  8. 5268
  9. 5269
    “…All participants spent their adolescence and transition to young adulthood in an economically disadvantaged urban area in the Midwest of the United States. …”
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  10. 5270
    “…The transition to secondary school is accompanied by the fragmentation of peer groups, while adolescents are also confronted with heightened incidents of bullying and increased levels of internalizing problems. …”
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  11. 5271
  12. 5272
    “…Nicotine use in adolescence is pervasive in the United States and, according to the Gateway Hypothesis, may lead to progression towards other addictive substances. …”
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  13. 5273
    “…These results encourage an exploration of the ways to break the causal chain between these complex phenotypes, which could inform and prevent disordered eating problems in adolescence.…”
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  14. 5274
    “…However, the developmental structure of these processes during the transition from childhood to adolescence has not been well studied. In this study we used longitudinal genetic analyses of data from 6646 UK‐representative twin pairs (aged 9–16 years) to investigate stability and change in parenting and household chaos in the context of parent–child bidirectional effects. …”
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  15. 5275
    “…In a large longitudinal cohort of adolescents and young adults (N = 785; n = 566 across two waves, mean interval between waves = 1.48 years; age range = 14–25 years), we examined developmental changes in two core cognitive domains, fluid reasoning and vocabulary. …”
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  16. 5276
    “…METHODS: A literature search was conducted using these terms: child, pediatric, traumatic brain injury, head injury, adolescent, psychosocial, antisocial, conduct, substance use. …”
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  17. 5277
    “…INTRODUCTION: The aim of this nested study is to provide the reference intervals for already published measurements of salivary cortisol from the Croatian Adolescence Stress Study (CLASS). MATERIAL AND METHODS: A total of 969 individuals (372 males and 597 females) were included in the reference sample (age range: 18-21 years). …”
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  18. 5278
    “…This study suggests the mechanism of acquired anti-epileptogenesis by levetiracetam treatment may be similar to spontaneous recovery of idiopathic generalized epilepsy during adolescence.…”
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  19. 5279
  20. 5280
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