How's Your Brain?

Scientists have contributed the triple rise in brain ailments in the last twenty years to air pollutants. What to do about this? Sometimes I get the sense that the proverbial ball of environmental destruction is moving with such a momentum that drastic changes in the way our large cities operate would have to be made to stop it. In any case, I am concerned about what the condition of my brain will be like in forty years. Here's the article, via the guardian.