Inhaling wildfire smoke could have immediate effects on children in Los Angeles, such as coughing and wheezing, which may lead to more long-term health effects.
Variations of the claim that coughing during a heart attack can increase survival chances likely go back to a message circulating in June 1999 (seen in Snopes' prior reporting) and attributed to ...
but scientists think that coughing can increase the pressure in your chest and belly, which then raises the pressure in your brain, causing it to hurt.