For me this pranayama works : https://libre.video/videos/watch/c4b30e57-0c23-47fa-aae2-8c50545f0fbc https://libre.video/videos/watch/c4b30e57-0c23-47fa-aae2-8c

For me this pranayama works : https://libre.video/videos/watch/c4b30e57-0c23-47fa-aae2-8c50545f0fbc https://libre.video/videos/watch/c4b30e57-0c23-47fa-aae2-8c5... And several studies done on this pranayama http://www.aolresearch.org/published_research.html http://www.aolresearch.org/published_research.html