Doctor on how concerning wildfire smoke is for health

Millions of Americans across the Northeast and Midwest were placed under air quality alerts this week as smoke from wildfires in Canada and Minnesota drifted into the regions. The hazardous smoke settled in areas that were also grappling with severe heat.

CBS News medical correspondent Dr. Céline Gounder discussed the health implications of the poor air quality. Wildfire smoke contains fine particulate matter that can penetrate deep into the lungs, causing respiratory problems and exacerbating existing conditions like asthma and bronchitis.

The combination of extreme heat and wildfire smoke poses a significant public health risk. Heatwaves can lead to heatstroke and dehydration, while smoke inhalation can cause immediate respiratory distress and long-term health issues. Health officials advised residents in affected areas to limit outdoor activities and stay indoors with air purifiers if possible.