LogFAQs > #937127276

But here is what the experts say

https://www.rawstory.com/2020/04/j-k-rowling-says-breathing-exercises-helped-her-beat-covid-19-but-heres-what-experts-say/

Im fully recovered & technique helped a lot, Rowling tweeted, along with a video of a doctor explaining the exercise. The exercise involves inhaling for five seconds, holding your breath for five seconds, and then exhaling. According to the video, on your sixth deep breath you do a big cough, covering your mouth (of course). You do this twice, then lay on your bed, on your frontside, with a pillow in front of you taking slightly deeper breaths for another ten minutes.

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https://imgur.com/Wsu8RDD