Lifehack, how to cough. I've been doing it wrong. Now that I broke/bruised a...
Lifehack, how to cough. I've been doing it wrong. Now that I broke/bruised a rib, coughing means excruciating pain, so I put more thought into getting the most pneumonia-preventing clearance for each second of agony.
Self-replies
And another way to cough. I've only tried this one once, but it also seems to work. Designed for people with buckets of muck in their lungs, so possibly overkill for most coughs.