Two new studies published this month show that living in places with higher traffic-related air pollution may be bad for the brain. The first study looked at 678,000 adults living in Vancouver and found that those who lived near major roads or highways faced a higher risk of dementia, Parkinson’s, and multiple sclerosis. The study’s lead author believes air pollution is the culprit.

All the details here, on “Living near major roads linked to risk of dementia, Parkinson’s, Alzheimer’s and MS”