Since my heart attack, my friends and family like to forward me every heart-related email going around, usually with the subject line: “Have you seen this one yet?!?!” A particularly persistent one that just won’t go away is entitled “How to Survive a Heart Attack when Alone.” Have you seen this one yet? It recommends that people who think they are having a heart attack should start coughing, long, deeply and frequently. The email claims that coughing will improve blood circulation to the heart, keeping you alive until emergency services arrive.
Does this work?
In a word: NO! Here’s why: