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Case control study

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Case control study

Category: Essay

Subcategory: Other

Level: University

Pages: 2

Words: 550

Case-Control Study; Perfluoroalkyl Substances and Its Relation to Childhood Autism

Case-Control Study; Exposure to Perfluoroalkyl Substances and Its Relation to Childhood Autism
Article: Liew, Z., Ritz, B., von Ehrenstein, O. S., Bech, B. H., Nohr, E. A., Fei, C., & … Olsen, J. (2015). Research: Children’s Health. Attention Deficit/Hyperactivity Disorder and Childhood Autism in Association with Prenatal Exposure to Perfluoroalkyl Substances: A Nested Case–Control Study in the Danish National Birth Cohort. Environmental Health Perspectives, 123(4), 367-373. doi:10.1289/ehp.1408412
The above article is a case-control article which tries to investigate if exposure to perfluoroalkyl substances (PFASs) is associated with childhood autism or attention-deficit/hyperactivity disorder (ADHD) among children (Liew et al., 2015). The study was conducted by in the year 2015 by students from California and Aarhus University and in epidemiology department. A nested case-control study was used to determine the effect of PFASs exposure and ADHD. The students focused on Danish National Birth Cohort (DNBC) to examine more about PFASs and ADHD. DNBC helps to study pregnancies and various types of health-related outcomes that children will show after birth. When PFASs were measured during the mid-pregnancy, it showed that childhood autism is not associated with exposure to PFASs. Also, the results suggested that increase in the risk of ADHD is not associated …

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