ContentSkip to Main ContentAccessibility HelpnewsTop StoriesLocalClimateWorldCanadaPoliticsIndigenousBusinessThe NationalHealthEntertainmentScienceCBC News InvestigatesGo PublicAbout CBC NewsBeing Black in CanadaWorking out in smoke or smog? Here’s what that does long-term2 days agoDuration 3:512 days agoNewsDuration 3:51If you’re exercising during an air quality advisory, you might not feel the effects right away. Omar Dabaghi-Pacheco asks a respirologist what bad air does to our bodies.Related Stories What’s all this wildfire smoke doing to your health? Here’s what experts have to say Play on! Or not? How air quality indexes work — and how they might impact sports Wildfire smoke could pose health problems, says chief medical officer, but there are preventatives Air pollution from wildfires a serious health threat, says head of NB Lung Heat and your heart: Researchers warn of hidden risksMore from NewsVideo5:18The Canada Games are Open! Step onto the floor of the opening ceremony44 minutes agoVideo1:10N.L compensating some fire evacuees, and paying $5k for information about illegal fires1 hour agoVideo1:42N.L. calls regional state of emergency for Bay de Verde Peninsula as wildfire burns3 hours agoVideo0:53‘Get out of the woods,’ NB premier asks as wildfires threaten provinceCBC News 4 hours agoVideo4:02As Gus the tortoise celebrates his 103rd birthday we look back at his 58th in 1980CBC News Nova Scotia 4 hours agoTrending NowVideo5:00‘Line has to be drawn:’ another sex toy thrown on court during WNBA game | Hanomansing TonightHanomansing Tonight August 7Video3:05Canada’s Victoria Mboko wins the National Bank OpenAugust 8Video1:07#TheMoment a grizzly bear charged at the Seattle Kraken’s mascotThe National August 6Video1:25#TheMoment a great white shark surprised Halifax researchersThe National August 4Video1:32Winnipeg officer accused of taking intimate photo of dead woman, drug traffickingThe National August 8now