Impacts NSW fires: Is bushfire smoke bad for your health? More hazy days mean more breathing problems for some people. What is it about bushfire smoke that's bad for you, and what can you do about it?
Causes edition.cnn.com Air pollution: More reasons it will send you to the hospital Even at levels below international air quality guidelines, short-term exposure to pollution can send you to the hospital for more reasons than scientists originally thought, a new study finds.