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Can smoking during pregnancy cause ADHD in children? 

PostedAugust 19, 2025
UpdatedSeptember 4, 2025
ByMy Patient Advice
Author: Victoria Rowe, MSc | Reviewed by: Dr. Rebecca Fernandez, MBBS

The link between smoking and ADHD has been widely studied, and research suggests that maternal smoking during pregnancy is associated with an increased risk of ADHD symptoms in children While it is unlikely that smoking alone “causes” ADHD which has genetic, neurological, and environmental components prenatal exposure to nicotine and other toxins can contribute to ADHD risk factors and influence child development. 

Understanding this connection is important for both prevention and early intervention. 

Take an ADHD test now

How Smoking Affects the Developing Brain 

Here is what we know about the relationship between smoking and ADHD 

Impact on the foetal brain 

Nicotine and other chemicals cross the placenta and can interfere with the development of areas responsible for attention, impulse control, and emotional regulation all central to ADHD. 

Increased risk, not certainty 

Not all children exposed to maternal smoking develop ADHD, but studies show they are more likely to experience child development challenges, including hyperactivity, inattention, and behavioural difficulties. 

Interaction with genetic factors 

If a child already has a genetic predisposition to ADHD, prenatal exposure may increase symptoms or lead to an earlier and more severe presentation. 

Long-term behavioural effects 

Beyond ADHD, smoking during pregnancy is linked to other ADHD risk factors, such as low birth weight, poor academic outcomes, and emotional difficulties later in life. 

Reducing or eliminating smoking during pregnancy can help lower the risk of ADHD and support healthier outcomes for your child. Visit providers like ADHD Certify for personal consultations and advice on prevention, diagnosis, and management options

For a deeper dive into the science, diagnosis, and full treatment landscape, read our complete guide to Environmental influences(3) 

Take an ADHD test now
Victoria Rowe, MSc, author for my patient advice - mypatientadvice.co.uk
Victoria Rowe, MSc
Author

Victoria Rowe is a health psychologist with a Master’s in Health Psychology and a BS in Applied Psychology. She has experience as a school psychologist, conducting behavioural assessments, developing individualized education plans (IEPs), and supporting children’s mental health. Dr. Rowe has contributed to peer-reviewed research on mental health, including studies on anxiety disorders and the impact of COVID-19 on healthcare systems. Skilled in SPSS, Minitab, and academic writing, she is committed to advancing psychological knowledge and promoting well-being through evidence-based practice.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the author's privacy. 

Dr. Rebecca Fernandez, MBBS, author and a reviewer for my patient advice - mypatientadvice.co.uk
Dr. Rebecca Fernandez, MBBS
Reviewer

Dr. Rebecca Fernandez is a UK-trained physician with an MBBS and experience in general surgery, cardiology, internal medicine, gynecology, intensive care, and emergency medicine. She has managed critically ill patients, stabilised acute trauma cases, and provided comprehensive inpatient and outpatient care. In psychiatry, Dr. Fernandez has worked with psychotic, mood, anxiety, and substance use disorders, applying evidence-based approaches such as CBT, ACT, and mindfulness-based therapies. Her skills span patient assessment, treatment planning, and the integration of digital health solutions to support mental well-being.

All qualifications and professional experience stated above are authentic and verified by our editorial team. However, pseudonym and image likeness are used to protect the reviewer's privacy.