Facts you can use:
You can live without ~1 lung, our body overprovisions
It takes 3-4 weeks of exercise to get ~20%-30% more Vo2max (a measure of lung efficiency)
It takes 2-14 days of sedentary life to lose those gains
https://www.abc.net.au/news/health/2017-04-09/how-long-does-it-take-to-lose-fitness/8426246
Cardio exercise, roughly, is like getting a 3rd lung.
♡ 0 ↻ 0Benefits of cardio increase all the way up to 90m a day. I think for the next year I'll double my normal protocol of 30m running + daily 30m walking to, 60m indoor cardio, walking is hard to do when staying home all the time.
ref: https://fultonmassagetherapy.com/the-optimum-amount-of-exercise/♡ 0 ↻ 0