Smog and wildfire smoke can damage your heart, study finds — and living in a big city like Toronto is a risk factor
- Posted on July 1, 2025
- By The Toronto Star
- 2 Views

Smog and wildfire smoke can damage your heart, study finds — and living in a big city like Toronto is a risk factor

Continued exposure to fine particulate matter is linked to higher levels of diffuse myocardial fibrosis, according to a study in journal Radiology.