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Association between childhood asthma and ADHD symptoms in adolescence

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Association between childhood asthma and ADHD symptoms in adolescence

Post  Admin on Sat Jun 18, 2011 7:26 am

Association between childhood asthma and ADHD symptoms in adolescence

Childhood asthma is associated with subsequent development of attention-deficit/hyperactivity disorder, particularly the hyperactivity-impulsivity component in adolescence, according to a study published online May 21 in
Allergy.

Our Objective was to investigate the longitudinal link between childhood asthma and the two dimensions of ADHD (hyperactivity–impulsivity, HI, and inattention, IN) in adolescence. We also aimed to explore the genetic and environmental contributions and the impact of asthma medication.

Children with asthma at age 8–9 had an almost twofold increased risk of having one or more symptom of HI (OR 1.88, 95% CI 1.18–3.00) and a more than twofold increased risk to have three symptoms or more of HI (OR 2.73, 95% CI 1.49–5.00) at age 13–14, independent of asthma medication.
For IN, no significant relationship was seen.
Results from twin modeling indicate that 68% of the phenotypic correlation between asthma and HI (r = 0.23, 0.04–0.37) was because of genetic influences.


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