London's low emission zone linked to healthier lungs in children
NCT ID NCT04695093
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looked at whether London's Ultra Low Emission Zone (ULEZ) — which charges polluting vehicles — improves children's lung health. Researchers tracked lung function in over 3,300 children from schools inside and outside the zone over 4 years. They also measured air pollution levels to see if cleaner air leads to better breathing.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
What this could lead to
If successful, this could show that reducing traffic pollution improves children's lung development, supporting cleaner air policies worldwide.
What could go wrong
This is an observational study, not a controlled trial, so other factors (like weather or lifestyle) could influence results. It measures association, not proof of cause and effect.
Disclaimer
Read more
Show less
This is a summary of
the original study
.
Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for RESPIRATORY DISEASE are added.
By submitting, you agree to our Terms of use
Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Show contact details
Enter your email to view the contact information for this study.
By submitting, you agree to our Terms of use
Locations
-
Queen Mary University of London
London, E1 2AB, United Kingdom