A new study finds that breathing filthy air can cause hazardous particles to pass from the lungs to the brain. A team of experts from the University of Birmingham and Chinese research institutions conducted the study, and the results were published in Proceedings of the National Academy of Sciences.

The hazardous particles, according to the study, travel through the bloodstream and may contribute to brain disorders and neurological damage. A possible direct path used by numerous inhaled tiny particles has been uncovered by scientists. As previously stated, these poisons flow through the bloodstream, with evidence that once there, the particles linger in the brain longer than in other major metabolic organs.

The scientists found many fine particles in human CSF fluids obtained from individuals with brain disorders, revealing a pathway that could lead to dangerous particulate compounds ending up in the brain. Professor Iseult Lynch, a co-author from the University of Birmingham, said, "Our understanding of the detrimental consequences of airborne small particles on the central nervous system is incomplete. 

This study adds to our understanding of the relationship between inhaling particles and their subsequent movement around the body. According to the findings, up to eight times more small particles may enter the brain via the circulation from the lungs than through the nose, providing new evidence on the link between air pollution and the harmful effects of such particles on the brain."

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