Researchers Have Found Out How Pollution Affects Even The Human Brain


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Researchers Have Found Out How Pollution Affects Even The Human Brain

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According to a new study, researchers have found considerable quantities of toxic nanoparticles inside the human brain, the kind that is found in polluted air. The discovery has caused some concerns because toxic nanoparticles have recently been linked to degenerative brain diseases such as Alzheimer's and dementia

The study, led by Barbara Maher and published in the journal 'Proceedings of the National Academy of Sciences', found that people living in areas with high levels of particulate matter pollution in the air, have abundant amounts of toxic nanoparticles. The study, conducted among 37 residents of New Mexico and Manchester, revealed the presence of said toxic particles in their brain tissue.

Particulate matter makes its way to the brain when breathed in through the lungs, or even through the olfactory bulb in the nose. .

"The recognition that nanoparticles of industrially-generated magnetite are able to make their way into the brain tissues is disturbing," says

The particles found are made up of magnetite, a kind of iron. Magnetite is usually produced during combustion from vehicular engines, industrial processes and residential gas burners. Magnetites give rise to free radicals, and because it is so bioreactive, it leads to oxidative cell damage in brain tissue.



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