If you have a heart attack at home, do this in 10 seconds and you can save your life.(1 / 2)
That headline is one of the most dangerous and widespread medical myths on the internet. It is typically paired with instructions to perform “cough CPR”—banging violently on your chest or coughing forcefully in a specific rhythm to keep your blood flowing during a heart attack. Do not follow this advice if you or someone else …









