# Air pollution may be silently damaging your brain

> Emerging research links microscopic pollutants in the air to brain damage, dementia risk and reduced brain volume.
- Title: Air pollution may be silently damaging your brain | Shortify
- Summary: Emerging research links microscopic pollutants in the air to brain damage, dementia risk and reduced brain volume. Studies published in twenty twenty-six…
- Keywords: air pollution, brain health, dementia, microplastics, neurology, alzheimer's disease, public health, Air, pollution, may, silently, damaging
- Source: Fastcompany — https://fastcompany.com/91629946/scientists-say-something-in-the-air-could-be-quietly-damaging-your-brain
- Read time: 2 min
- Topics: air pollution, brain health, dementia, microplastics, neurology, alzheimer's disease, public health
## Pollution in the brain
Scientists are uncovering how plastic particles and pollutants accumulate in brain tissue, potentially causing damage similar to other harmful exposures.
## April study links pollution to dementia
A study published in April in the Journal of Nutrition, Health and Aging found pollutants linked with increased dementia risk and reduced brain volume.
## Pollution accelerates aging
The same study identified a link between air pollution and accelerated biological aging, which is linked to a higher dementia risk.
## Inflammation may worsen risk
Another study found that inflammation may enhance dementia risk when people are exposed to elevated levels of particular types of pollutant.
## Particles deep in brain tissue
Researchers from Rush Alzheimer's Disease Center studied eleven adults who died between ages eighty and ninety-one, finding pollutant particles had penetrated deep into brain tissues.
## Exposure starts before birth
Scientists have discovered microplastics in human placentas, meaning babies are born with these particles in their organs and exposure is all-but inevitable.
## Lifetime accumulation effect
Caleb Finch, professor emeritus at the University of Southern California's Leonard Davis School of Gerontology, says there may be a cumulative effect across a lifetime of exposure.

> There's a lot we don't understand yet, but we do know that the risk of dementia increases in proportion to the amount of air pollution.
## Dementia expected to double
The number of people with dementia is expected to more than double by twenty fifty, making the pollution link increasingly significant for public health.
## Women at higher risk
A study published in JAMA Neurology found that women and people who live in low and middle income countries already have higher rates of dementia.
## Reasons still unclear
Researchers could not pinpoint an exact reason why women and people in low and middle income countries experience higher dementia rates.
## Research continues
Scientists are advancing research into how pollutants penetrate the brain and contribute to neurological damage, with much still unknown about the full scope of harm.
## Key takeaway

Studies published in twenty twenty-six show air pollution may penetrate brain tissue and increase dementia risk, with exposure beginning before birth.