Adolescent sleep patterns in humans and laboratory animals

Associations between Dietary Patterns and Sleep Problems in Adolescent Girls: A Descriptive Cross-Sectional Study

Adolescence may be accompanied by abnormalities in menstrual cycles that result in a higher incidence of sleep problems and related psychological disorders. Dietary factors can intensify or improve sleep problems. This study aimed to evaluate the association between sleep problems and habitual dietary patterns among Iranian adolescent girls. Methods: This study was conducted in cities of Mashha...

Dosimetry of Particles in Laboratory Animals and Humans

Tobacco-specific nitrosamine adducts: studies in laboratory animals and humans.

This paper describes quantitation of human hemoglobin and DNA adducts of the carcinogenic tobacco-specific nitrosamines 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanone (NNK) and N'-nitrosonornicotine (NNN). NNK and NNN are believed to be involved in cancers of the lung, esophagus, oral cavity, and pancreas in people who use tobacco products. The adduct dosimetry method employs GC-MS for quantita...

The prevalence of heterophyidae family in humans and animals in Khuzestan province

heterophyidsis is a common disease in man and animals(Zoonosis),the causative agents are small parasites of 1-2mm from the family of heterophyidae(trematodes)and often has a world-wide prevalence.this study was performed with the objective to determine the prevalence rate and identify the reservoirs of heterophyidae in man during the years 1991-1993 in Khuzestan province.in order to do this in ...

Estimating adolescent sleep patterns: parent reports versus adolescent self-report surveys, sleep diaries, and actigraphy

BACKGROUND In research and clinical contexts, parent reports are often used to gain information about the sleep patterns of their adolescents; however, the degree of concordance between parent reports and adolescent-derived measures is unclear. The present study compares parent estimates of adolescent sleep patterns with adolescent self-reports from surveys and sleep diaries, together with acti...