Incorrect social media posts claiming that coughing really hard can help during a heart attack are circulating online again.
People who are alone and suspect they are having a heart attack should cough repeatedly and very strongly.
This is not recommended medical advice for treating a heart attack. Instead, if someone suspects they are having a heart attack, they should call 999 immediately.
Full Fact, a team of independent fact checkers and campaigners, aims to improve the information environment and protect good public debate by exposing and countering harmful misinformation.
Author's summary: Coughing hard won't save you from a heart attack if you're alone.