ADHD symptoms more common among children exposed to secondhand smoke

Embargoed until: Publicly released: 2021-05-21 01:00

International

Secondhand smoke exposure as a child is associated with a higher risk of ADHD symptoms, according to a Chinese study. Parents and guardians of 45,562 children filled out a questionnaire about the children's ADHD symptoms and exposure to secondhand smoke. One in ten children considered always exposed to secondhand smoke had ADHD symptoms, compared to just over one in 20 children who had been rarely exposed. Just over one in 30 children who had never been exposed to secondhand smoke had ADHD symptoms.

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Journal/
conference: JAMA Network Open

Research:Paper

Organisation/s: Sun Yat-sen University, China

Funder: This work was supported by grants 81703179, 81950410633, 81972992, 81872582, and 81872583 from the National Natural Science Foundation of China; grants 201807010032 and 201803010054 from the Science and Technology Program of Guangzhou; grants 2018YFC1004300 and 2018YFE0106900 from the National Key Research and Development Program of China; grant 2018B030312005 from the Guangdong Provincial Natural Science Foundation Team Project; grant 19ykjc01 from the Fundamental Research Funds for the Central Universities; and grants 2020A1515011131, 2019A050510017, 2018B05052007, and 2017A090905042 from the Natural Science Foundation of Guangdong Province.

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