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OBJECTIVE Overweight and obesity in children is a global problem. Besides physical effects, obesity has harmful psychological effects on children. METHODS We carried out cross-sectional community-based study to investigate the relation between body mass index (BMI) and cognitive functioning in preschool children. Thirteen socioeconomical elements of 1151(More)
Extensive non-maternal childcare plays an important role in children's development. This study examined a potential coping mechanism for dealing with daily separation from caregivers involved in childcare experience - children's development of attachments toward inanimate objects. We employed the twin design to estimate relative environmental and genetic(More)
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