Wildfire smoke kills thousands yearly. Here's how

Smoke from wildfires — which are burning more of the Northern Hemisphere as Earth warms — attacks nearly every system in the human body, killing tens of thousands of people a year, numerous medical studies show. It attacks the body immediately, spiking asthma cases with increased ambulance runs within hours, swamps emergency rooms in a day or so with people suffering from heart attacks and other cardiovascular and lung issues, as well as mental health issues, doctors and scientists told The Associated Press. Smoke also harms pregnant women, increasing the risk of premature births and low-weight babies who could have breathing problems […]...

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