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By Dr. Vivek Nangia in Pulmonology
Dec 15 , 2025 | 1 min read
Air pollution doesn’t just affect organs like the lungs, heart, and kidneys, it also has a significant impact on the brain. In adults, it is already known to be associated with stroke and the development of dementia. However, recent evidence indicates that children are affected as well, particularly in neurocognitive development, behaviour, and overall brain growth.
This is primarily due to PM2.5 particles, ultrafine particles, and toxic gases, which can enter the bloodstream directly. Once in the bloodstream, they trigger an inflammatory cascade that spreads throughout the body, eventually reaching the brain.
When pollutants reach the brain, they can lead to multiple issues, including:
Read More: Impact of Air Pollution on Human Health: Risks, Consequences, and Solutions
- Behavioural problems: Children may develop ADHD, anxiety, irritability, and mood disturbances.
- Cognitive impairments: Slower cognitive development, reduced attention span, difficulty focusing, and impaired memory.
- Academic challenges: Poor concentration can result in learning difficulties and lower academic performance.
- Sleep disturbances: Air pollution disrupts sleep, leading to poor nighttime sleep and, in turn, irritability, agitation, emotional instability, impulsiveness, and mood swings during the day.
Long-term exposure also increases the risk of neurodevelopmental disorders such as autism, as well as neurodegenerative conditions later in life. Children are particularly vulnerable because their brains and bodies are still growing.
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