Air pollution is a major hazard to various health complications. It damages our airways, heart, and a new study suggests that brains also can be involved. A new study focused on children and young adults in Mexico City has found growth plagues in their brains. The ability of these plagues to turn into Motor Neuron Disease or Alzheimers is still under speculation. While we know that tangles and plaques are associated with Alzheimer’s and neurological diseases, the impact of this hazard warrants further research.
It is said that 90 percent of the world’s children are exposed to unsafe air. Researchers say that many fine particulate matters that are inhaled through this unsafe air. This fine particulate matter can be lethal, and we need to the impact of these fine particulate matter on neurological disease. Scientists say that different people can be vulnerable to different particulate matter. But scientists now that found out that this accumulating particulate matter is really significant to develop neurological damage.
Previous researches have found that nanoparticles from the air may enter the brain, causing damage. Upon examining, scientists found that the study supports the previous discovery. Scientists examined the brainstem of 186 young residents who fall between 11 months and 40 years in Mexico City. Besides tangles and plagues, scientists also found metal nanoparticles. These nanoparticles of iron and aluminum in the brainstem are in the same way as friction derived nanoparticles in combustion engines. Besides, titanium-rich particles were also found, which are needle-like projections that are absorbed from intestines and reach the brain stem.
Scientists say these nanoparticles can cause oxidative stress and inflammation, which leads to the death of neurons. And since neurons do not have much regeneration capacity like other cells, air pollution can become a cause for cognitive decline. As of now, there are no recorded casualties, but scientists, the impacts can be devastating in the longer run. Even the youngest brain stem of 11 months old has shown brain abnormalities, such as the impact of the hazard.
Could air pollution be the next pandemic? We have to wait and see till future studies bring out more clarity.
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