What the air you breathe may be doing to your brain
Studies increasingly find links between certain pollutants and dementia.
From The Times
December 13, 2025

Two people in Pennsylvania agreed to donate their brains for research. The man lived near a highway, the woman in a quiet suburb. He had developed Alzheimer’s, while she had remained cognitively normal.

An illustration of a person looking at a brain drawn with flowers on one half and factories and their emissions on the other half.

Lehel Kovács

Was it a coincidence?

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