Passive smoking linked to ADHD

A NEW study has linked passive smoking to ADHD in children, prompting calls for healthcare providers to "motivate parents" to protect their offspring.

US researchers set out to see if secondhand tobacco smoke exposure was associated with any mental health disorders among nearly 3000 children aged 8-15 years who took part in a nationwide health and nutrition survey.

They measured serum cotinine in nonsmokers, finding it was associated most strongly with ADHD symptoms but also with symptoms of major depressive disorder, conduct disorder and generalised anxiety disorder.

The link was statistically significant even

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