4 ms·
Random fact of the day: you produce nitric oxide in your paranasal sinuses, and concentrations increase while humming.
by elric 7y ago
Random fact of the day: you produce nitric oxide in your paranasal sinuses, and concentrations increase while humming.
- elbear 7y agoThat's one reason to breathe through your nose if you're not doing it.
- rossdavidh 7y ago"WHO and CDC advise everyone to start humming all day long." I like it.