Study suggests that forest fire smoke exposure is associated with increased risk of tumours. More evaluation required to determine how frequency, dosing, and duration of exposure relates to this outcome amongst other confounding factors.

Medical Mythbusting Commentary for June 27, 2023

Source:
Long-term smoke exposure may be associated with dying from a tumour: study

Reference:
Association between long-term exposure to wildfire-related PM2.5 and mortality: A longitudinal analysis of the UK Biobank