Wildfires and heatwaves: Expert analysis on public health impact

Wildfires and heatwaves: Expert analysis on public health impact Abby Munson Wed, 07/29/2026 - 09:00 How wildfires and heatwaves can affect physical and mental health Wildfires and heatwaves, Dr van Daalen explains, “strain the cardiovascular system. This can lead to dehydration, heat exhaustion, heatstroke, kidney problems, and the worsening of existing heart and respiratory conditions.” They can also affect mental health, she adds: “Heat disrupts sleep, impairs concentration, and tends to worsen anxiety, depression, and existing mental health conditions.” “Wildfires bring a different set of