‘A Silent Killer’: Extreme Heat and Your Health CNN 0 89 08.20 18:15 https://www.youtube.com/watch?v=L9cKPWENogI + 18 https://www.youtube.com/feeds/videos.xml?channel_id=UCupvZG-5ko_eiXAup… + 14 ‘A Silent Killer’: Extreme Heat and Your Health