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    • How do heat and cold-health alerts work?

      How do heat and cold-health alerts work?

      BBC via Yahoo Canada News· 10 hours ago

      Red A red alert is the most severe. It is issued in situations when hot or cold weather would be a significant risk to life, for even the healthy...

    • What Really Helps and Hurts Your Lungs

      What Really Helps and Hurts Your Lungs

      Men's Health· 5 hours ago

      YOU KNOW FROM high school that your lungs bring in oxygen and move it to the blood (inhale) while taking carbon dioxide out of the blood