2 ms·
Honestly, all this makes zero difference if you're not frail or in advanced age. I regularly experience winter temperatures of -30°C or lower (-40° is not infre
by homebrewer 2y ago
Honestly, all this makes zero difference if you're not frail or in advanced age. I regularly experience winter temperatures of -30°C or lower (-40° is not infrequent), and it really doesn't matter how you breathe.
- kjellsbells 2y agoMight make a big difference if you are exerting yourself, eg cycling. Discussion here from 2019 about heat exchanger masks seems relevant. They warm incoming air using the heat from outgoing breaths. https://news.ycombinator.com/item?id=39128311 https://news.ycombinator.com/item?id=39128311