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Re:Burden of post-Covid-19 syndrome and implications for hea... by disabled on Tuesday July 13, 2021 @03:54PM (#27825516)
Yep. I do breathing exercises daily. It helps with the dysautonomia (long covid causes dysautonomia) too.

You may want to look into the Airofit Pro: https://www.airofit.com/

Re:Burden of post-Covid-19 syndrome and implications for hea... by loopz on Tuesday July 13, 2021 @05:53PM (#27826735)
One may also learn Ujjayi breath. It needs no technology and has other benefits.